Home / 113,715.66-156,923.64-62,729.40

Finding the Fourth Proportional to 113,715.66, 156,923.64 and 62,729.40

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Solution

The fourth proportional to 113,715.66, 156,923.64 and 62,729.40 is: 86,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,715.66 : 156,923.64 = 62,729.40 : x
  2. Step 2: Convert to fraction form
    113,715.66/156,923.64 = 62,729.40/x
  3. Step 3: Cross multiply
    113,715.66x = 156,923.64 × 62,729.40
  4. Step 4: Simplify right side
    113,715.66x = 9,843,725,783.02
  5. Step 5: Solve for x
    x = 9,843,725,783.02/113,715.66
  6. Step 6: Final answer
    x = 86,564.38

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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.