Home / 54,432.28-81,663.54-31,075.12

Finding the Fourth Proportional to 54,432.28, 81,663.54 and 31,075.12

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Solution

The fourth proportional to 54,432.28, 81,663.54 and 31,075.12 is: 46,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432.28 : 81,663.54 = 31,075.12 : x
  2. Step 2: Convert to fraction form
    54,432.28/81,663.54 = 31,075.12/x
  3. Step 3: Cross multiply
    54,432.28x = 81,663.54 × 31,075.12
  4. Step 4: Simplify right side
    54,432.28x = 2,537,704,305.12
  5. Step 5: Solve for x
    x = 2,537,704,305.12/54,432.28
  6. Step 6: Final answer
    x = 46,621.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.