Home / 61,812.32-92,680.20-42,030.90

Finding the Fourth Proportional to 61,812.32, 92,680.20 and 42,030.90

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Solution

The fourth proportional to 61,812.32, 92,680.20 and 42,030.90 is: 63,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812.32 : 92,680.20 = 42,030.90 : x
  2. Step 2: Convert to fraction form
    61,812.32/92,680.20 = 42,030.90/x
  3. Step 3: Cross multiply
    61,812.32x = 92,680.20 × 42,030.90
  4. Step 4: Simplify right side
    61,812.32x = 3,895,432,218.18
  5. Step 5: Solve for x
    x = 3,895,432,218.18/61,812.32
  6. Step 6: Final answer
    x = 63,020.33

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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.