Home / 86,470.61-119,356.02-50,672.15

Finding the Fourth Proportional to 86,470.61, 119,356.02 and 50,672.15

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Solution

The fourth proportional to 86,470.61, 119,356.02 and 50,672.15 is: 69,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,470.61 : 119,356.02 = 50,672.15 : x
  2. Step 2: Convert to fraction form
    86,470.61/119,356.02 = 50,672.15/x
  3. Step 3: Cross multiply
    86,470.61x = 119,356.02 × 50,672.15
  4. Step 4: Simplify right side
    86,470.61x = 6,048,025,552.06
  5. Step 5: Solve for x
    x = 6,048,025,552.06/86,470.61
  6. Step 6: Final answer
    x = 69,943.14

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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.