Home / 85,070.83-127,512.28-35,123.39

Finding the Fourth Proportional to 85,070.83, 127,512.28 and 35,123.39

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Solution

The fourth proportional to 85,070.83, 127,512.28 and 35,123.39 is: 52,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,070.83 : 127,512.28 = 35,123.39 : x
  2. Step 2: Convert to fraction form
    85,070.83/127,512.28 = 35,123.39/x
  3. Step 3: Cross multiply
    85,070.83x = 127,512.28 × 35,123.39
  4. Step 4: Simplify right side
    85,070.83x = 4,478,663,364.61
  5. Step 5: Solve for x
    x = 4,478,663,364.61/85,070.83
  6. Step 6: Final answer
    x = 52,646.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.