Home / 55,057.68-75,980.52-29,907.18

Finding the Fourth Proportional to 55,057.68, 75,980.52 and 29,907.18

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Solution

The fourth proportional to 55,057.68, 75,980.52 and 29,907.18 is: 41,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,057.68 : 75,980.52 = 29,907.18 : x
  2. Step 2: Convert to fraction form
    55,057.68/75,980.52 = 29,907.18/x
  3. Step 3: Cross multiply
    55,057.68x = 75,980.52 × 29,907.18
  4. Step 4: Simplify right side
    55,057.68x = 2,272,363,088.13
  5. Step 5: Solve for x
    x = 2,272,363,088.13/55,057.68
  6. Step 6: Final answer
    x = 41,272.41

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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.