Home / 83,117.28-114,701.22-45,391.50

Finding the Fourth Proportional to 83,117.28, 114,701.22 and 45,391.50

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Solution

The fourth proportional to 83,117.28, 114,701.22 and 45,391.50 is: 62,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,117.28 : 114,701.22 = 45,391.50 : x
  2. Step 2: Convert to fraction form
    83,117.28/114,701.22 = 45,391.50/x
  3. Step 3: Cross multiply
    83,117.28x = 114,701.22 × 45,391.50
  4. Step 4: Simplify right side
    83,117.28x = 5,206,460,427.63
  5. Step 5: Solve for x
    x = 5,206,460,427.63/83,117.28
  6. Step 6: Final answer
    x = 62,639.93

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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.