Home / 92,900.04-128,123.10-62,680.52

Finding the Fourth Proportional to 92,900.04, 128,123.10 and 62,680.52

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Solution

The fourth proportional to 92,900.04, 128,123.10 and 62,680.52 is: 86,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,900.04 : 128,123.10 = 62,680.52 : x
  2. Step 2: Convert to fraction form
    92,900.04/128,123.10 = 62,680.52/x
  3. Step 3: Cross multiply
    92,900.04x = 128,123.10 × 62,680.52
  4. Step 4: Simplify right side
    92,900.04x = 8,030,822,532.01
  5. Step 5: Solve for x
    x = 8,030,822,532.01/92,900.04
  6. Step 6: Final answer
    x = 86,445.85

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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.