Home / 83,920.34-125,880.30-59,071.16

Finding the Fourth Proportional to 83,920.34, 125,880.30 and 59,071.16

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Solution

The fourth proportional to 83,920.34, 125,880.30 and 59,071.16 is: 88,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,920.34 : 125,880.30 = 59,071.16 : x
  2. Step 2: Convert to fraction form
    83,920.34/125,880.30 = 59,071.16/x
  3. Step 3: Cross multiply
    83,920.34x = 125,880.30 × 59,071.16
  4. Step 4: Simplify right side
    83,920.34x = 7,435,894,712.75
  5. Step 5: Solve for x
    x = 7,435,894,712.75/83,920.34
  6. Step 6: Final answer
    x = 88,606.59

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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.