Home / 53,223.52-73,387.74-39,772.12

Finding the Fourth Proportional to 53,223.52, 73,387.74 and 39,772.12

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Solution

The fourth proportional to 53,223.52, 73,387.74 and 39,772.12 is: 54,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223.52 : 73,387.74 = 39,772.12 : x
  2. Step 2: Convert to fraction form
    53,223.52/73,387.74 = 39,772.12/x
  3. Step 3: Cross multiply
    53,223.52x = 73,387.74 × 39,772.12
  4. Step 4: Simplify right side
    53,223.52x = 2,918,786,001.81
  5. Step 5: Solve for x
    x = 2,918,786,001.81/53,223.52
  6. Step 6: Final answer
    x = 54,840.15

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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.