Home / 113,601.81-156,777.35-62,614.47

Finding the Fourth Proportional to 113,601.81, 156,777.35 and 62,614.47

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Solution

The fourth proportional to 113,601.81, 156,777.35 and 62,614.47 is: 86,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,601.81 : 156,777.35 = 62,614.47 : x
  2. Step 2: Convert to fraction form
    113,601.81/156,777.35 = 62,614.47/x
  3. Step 3: Cross multiply
    113,601.81x = 156,777.35 × 62,614.47
  4. Step 4: Simplify right side
    113,601.81x = 9,816,530,365.18
  5. Step 5: Solve for x
    x = 9,816,530,365.18/113,601.81
  6. Step 6: Final answer
    x = 86,411.74

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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.