Home / 93,748.93-129,239.04-66,844.78

Finding the Fourth Proportional to 93,748.93, 129,239.04 and 66,844.78

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Solution

The fourth proportional to 93,748.93, 129,239.04 and 66,844.78 is: 92,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,748.93 : 129,239.04 = 66,844.78 : x
  2. Step 2: Convert to fraction form
    93,748.93/129,239.04 = 66,844.78/x
  3. Step 3: Cross multiply
    93,748.93x = 129,239.04 × 66,844.78
  4. Step 4: Simplify right side
    93,748.93x = 8,638,955,123.78
  5. Step 5: Solve for x
    x = 8,638,955,123.78/93,748.93
  6. Step 6: Final answer
    x = 92,149.91

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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.