Home / 78,287.04-108,036.08-44,753.76

Finding the Fourth Proportional to 78,287.04, 108,036.08 and 44,753.76

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Solution

The fourth proportional to 78,287.04, 108,036.08 and 44,753.76 is: 61,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,287.04 : 108,036.08 = 44,753.76 : x
  2. Step 2: Convert to fraction form
    78,287.04/108,036.08 = 44,753.76/x
  3. Step 3: Cross multiply
    78,287.04x = 108,036.08 × 44,753.76
  4. Step 4: Simplify right side
    78,287.04x = 4,835,020,795.66
  5. Step 5: Solve for x
    x = 4,835,020,795.66/78,287.04
  6. Step 6: Final answer
    x = 61,760.17

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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.