Home / 66,432.30-99,648.45-27,017.70

Finding the Fourth Proportional to 66,432.30, 99,648.45 and 27,017.70

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Solution

The fourth proportional to 66,432.30, 99,648.45 and 27,017.70 is: 40,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432.30 : 99,648.45 = 27,017.70 : x
  2. Step 2: Convert to fraction form
    66,432.30/99,648.45 = 27,017.70/x
  3. Step 3: Cross multiply
    66,432.30x = 99,648.45 × 27,017.70
  4. Step 4: Simplify right side
    66,432.30x = 2,692,271,927.57
  5. Step 5: Solve for x
    x = 2,692,271,927.57/66,432.30
  6. Step 6: Final answer
    x = 40,526.55

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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.