Home / 83,706.28-125,518.36-58,417.80

Finding the Fourth Proportional to 83,706.28, 125,518.36 and 58,417.80

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Solution

The fourth proportional to 83,706.28, 125,518.36 and 58,417.80 is: 87,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,706.28 : 125,518.36 = 58,417.80 : x
  2. Step 2: Convert to fraction form
    83,706.28/125,518.36 = 58,417.80/x
  3. Step 3: Cross multiply
    83,706.28x = 125,518.36 × 58,417.80
  4. Step 4: Simplify right side
    83,706.28x = 7,332,506,450.81
  5. Step 5: Solve for x
    x = 7,332,506,450.81/83,706.28
  6. Step 6: Final answer
    x = 87,598.04

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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.