Home / 113,701.12-156,905.42-62,718.60

Finding the Fourth Proportional to 113,701.12, 156,905.42 and 62,718.60

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Solution

The fourth proportional to 113,701.12, 156,905.42 and 62,718.60 is: 86,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,701.12 : 156,905.42 = 62,718.60 : x
  2. Step 2: Convert to fraction form
    113,701.12/156,905.42 = 62,718.60/x
  3. Step 3: Cross multiply
    113,701.12x = 156,905.42 × 62,718.60
  4. Step 4: Simplify right side
    113,701.12x = 9,840,888,274.81
  5. Step 5: Solve for x
    x = 9,840,888,274.81/113,701.12
  6. Step 6: Final answer
    x = 86,550.50

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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.