Home / 113,699.13-156,902.65-62,716.60

Finding the Fourth Proportional to 113,699.13, 156,902.65 and 62,716.60

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Solution

The fourth proportional to 113,699.13, 156,902.65 and 62,716.60 is: 86,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,699.13 : 156,902.65 = 62,716.60 : x
  2. Step 2: Convert to fraction form
    113,699.13/156,902.65 = 62,716.60/x
  3. Step 3: Cross multiply
    113,699.13x = 156,902.65 × 62,716.60
  4. Step 4: Simplify right side
    113,699.13x = 9,840,400,738.99
  5. Step 5: Solve for x
    x = 9,840,400,738.99/113,699.13
  6. Step 6: Final answer
    x = 86,547.72

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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.