Home / 88,341.57-121,951.17-58,142.75

Finding the Fourth Proportional to 88,341.57, 121,951.17 and 58,142.75

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Solution

The fourth proportional to 88,341.57, 121,951.17 and 58,142.75 is: 80,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,341.57 : 121,951.17 = 58,142.75 : x
  2. Step 2: Convert to fraction form
    88,341.57/121,951.17 = 58,142.75/x
  3. Step 3: Cross multiply
    88,341.57x = 121,951.17 × 58,142.75
  4. Step 4: Simplify right side
    88,341.57x = 7,090,575,779.76
  5. Step 5: Solve for x
    x = 7,090,575,779.76/88,341.57
  6. Step 6: Final answer
    x = 80,263.19

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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.