Home / 78,332.73-108,127.25-46,501.65

Finding the Fourth Proportional to 78,332.73, 108,127.25 and 46,501.65

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Solution

The fourth proportional to 78,332.73, 108,127.25 and 46,501.65 is: 64,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,332.73 : 108,127.25 = 46,501.65 : x
  2. Step 2: Convert to fraction form
    78,332.73/108,127.25 = 46,501.65/x
  3. Step 3: Cross multiply
    78,332.73x = 108,127.25 × 46,501.65
  4. Step 4: Simplify right side
    78,332.73x = 5,028,095,882.31
  5. Step 5: Solve for x
    x = 5,028,095,882.31/78,332.73
  6. Step 6: Final answer
    x = 64,188.95

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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.