Home / 63,942.06-88,295.76-40,109.70

Finding the Fourth Proportional to 63,942.06, 88,295.76 and 40,109.70

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Solution

The fourth proportional to 63,942.06, 88,295.76 and 40,109.70 is: 55,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,942.06 : 88,295.76 = 40,109.70 : x
  2. Step 2: Convert to fraction form
    63,942.06/88,295.76 = 40,109.70/x
  3. Step 3: Cross multiply
    63,942.06x = 88,295.76 × 40,109.70
  4. Step 4: Simplify right side
    63,942.06x = 3,541,516,444.87
  5. Step 5: Solve for x
    x = 3,541,516,444.87/63,942.06
  6. Step 6: Final answer
    x = 55,386.34

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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.