Home / 113,708.76-156,918.24-62,720.34

Finding the Fourth Proportional to 113,708.76, 156,918.24 and 62,720.34

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Solution

The fourth proportional to 113,708.76, 156,918.24 and 62,720.34 is: 86,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,708.76 : 156,918.24 = 62,720.34 : x
  2. Step 2: Convert to fraction form
    113,708.76/156,918.24 = 62,720.34/x
  3. Step 3: Cross multiply
    113,708.76x = 156,918.24 × 62,720.34
  4. Step 4: Simplify right side
    113,708.76x = 9,841,965,365.00
  5. Step 5: Solve for x
    x = 9,841,965,365.00/113,708.76
  6. Step 6: Final answer
    x = 86,554.15

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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.