Home / 93,487.30-140,279.55-40,902.10

Finding the Fourth Proportional to 93,487.30, 140,279.55 and 40,902.10

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Solution

The fourth proportional to 93,487.30, 140,279.55 and 40,902.10 is: 61,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,487.30 : 140,279.55 = 40,902.10 : x
  2. Step 2: Convert to fraction form
    93,487.30/140,279.55 = 40,902.10/x
  3. Step 3: Cross multiply
    93,487.30x = 140,279.55 × 40,902.10
  4. Step 4: Simplify right side
    93,487.30x = 5,737,728,182.06
  5. Step 5: Solve for x
    x = 5,737,728,182.06/93,487.30
  6. Step 6: Final answer
    x = 61,374.41

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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.