Home / 113,055.72-156,009.08-62,750.76

Finding the Fourth Proportional to 113,055.72, 156,009.08 and 62,750.76

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Solution

The fourth proportional to 113,055.72, 156,009.08 and 62,750.76 is: 86,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,055.72 : 156,009.08 = 62,750.76 : x
  2. Step 2: Convert to fraction form
    113,055.72/156,009.08 = 62,750.76/x
  3. Step 3: Cross multiply
    113,055.72x = 156,009.08 × 62,750.76
  4. Step 4: Simplify right side
    113,055.72x = 9,789,688,336.90
  5. Step 5: Solve for x
    x = 9,789,688,336.90/113,055.72
  6. Step 6: Final answer
    x = 86,591.71

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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.