Home / 83,312.28-114,970.47-45,071.71

Finding the Fourth Proportional to 83,312.28, 114,970.47 and 45,071.71

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Solution

The fourth proportional to 83,312.28, 114,970.47 and 45,071.71 is: 62,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,312.28 : 114,970.47 = 45,071.71 : x
  2. Step 2: Convert to fraction form
    83,312.28/114,970.47 = 45,071.71/x
  3. Step 3: Cross multiply
    83,312.28x = 114,970.47 × 45,071.71
  4. Step 4: Simplify right side
    83,312.28x = 5,181,915,225.96
  5. Step 5: Solve for x
    x = 5,181,915,225.96/83,312.28
  6. Step 6: Final answer
    x = 62,198.70

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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.