Home / 113,698.13-156,901.28-62,715.60

Finding the Fourth Proportional to 113,698.13, 156,901.28 and 62,715.60

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Solution

The fourth proportional to 113,698.13, 156,901.28 and 62,715.60 is: 86,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,698.13 : 156,901.28 = 62,715.60 : x
  2. Step 2: Convert to fraction form
    113,698.13/156,901.28 = 62,715.60/x
  3. Step 3: Cross multiply
    113,698.13x = 156,901.28 × 62,715.60
  4. Step 4: Simplify right side
    113,698.13x = 9,840,157,602.39
  5. Step 5: Solve for x
    x = 9,840,157,602.39/113,698.13
  6. Step 6: Final answer
    x = 86,546.35

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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.