Home / 78,328.62-108,095.18-44,337.15

Finding the Fourth Proportional to 78,328.62, 108,095.18 and 44,337.15

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Solution

The fourth proportional to 78,328.62, 108,095.18 and 44,337.15 is: 61,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,328.62 : 108,095.18 = 44,337.15 : x
  2. Step 2: Convert to fraction form
    78,328.62/108,095.18 = 44,337.15/x
  3. Step 3: Cross multiply
    78,328.62x = 108,095.18 × 44,337.15
  4. Step 4: Simplify right side
    78,328.62x = 4,792,631,988.25
  5. Step 5: Solve for x
    x = 4,792,631,988.25/78,328.62
  6. Step 6: Final answer
    x = 61,186.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.