Home / 54,435.08-75,118.48-30,562.76

Finding the Fourth Proportional to 54,435.08, 75,118.48 and 30,562.76

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Solution

The fourth proportional to 54,435.08, 75,118.48 and 30,562.76 is: 42,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.08 : 75,118.48 = 30,562.76 : x
  2. Step 2: Convert to fraction form
    54,435.08/75,118.48 = 30,562.76/x
  3. Step 3: Cross multiply
    54,435.08x = 75,118.48 × 30,562.76
  4. Step 4: Simplify right side
    54,435.08x = 2,295,828,075.80
  5. Step 5: Solve for x
    x = 2,295,828,075.80/54,435.08
  6. Step 6: Final answer
    x = 42,175.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.