Home / 83,312.90-124,812.40-41,143.62

Finding the Fourth Proportional to 83,312.90, 124,812.40 and 41,143.62

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Solution

The fourth proportional to 83,312.90, 124,812.40 and 41,143.62 is: 61,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,312.90 : 124,812.40 = 41,143.62 : x
  2. Step 2: Convert to fraction form
    83,312.90/124,812.40 = 41,143.62/x
  3. Step 3: Cross multiply
    83,312.90x = 124,812.40 × 41,143.62
  4. Step 4: Simplify right side
    83,312.90x = 5,135,233,956.89
  5. Step 5: Solve for x
    x = 5,135,233,956.89/83,312.90
  6. Step 6: Final answer
    x = 61,637.92

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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.