Home / 53,767.10-74,177.28-31,101.89

Finding the Fourth Proportional to 53,767.10, 74,177.28 and 31,101.89

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Solution

The fourth proportional to 53,767.10, 74,177.28 and 31,101.89 is: 42,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,767.10 : 74,177.28 = 31,101.89 : x
  2. Step 2: Convert to fraction form
    53,767.10/74,177.28 = 31,101.89/x
  3. Step 3: Cross multiply
    53,767.10x = 74,177.28 × 31,101.89
  4. Step 4: Simplify right side
    53,767.10x = 2,307,053,232.17
  5. Step 5: Solve for x
    x = 2,307,053,232.17/53,767.10
  6. Step 6: Final answer
    x = 42,908.27

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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.