Home / 83,702.77-115,510.62-45,977.02

Finding the Fourth Proportional to 83,702.77, 115,510.62 and 45,977.02

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Solution

The fourth proportional to 83,702.77, 115,510.62 and 45,977.02 is: 63,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,702.77 : 115,510.62 = 45,977.02 : x
  2. Step 2: Convert to fraction form
    83,702.77/115,510.62 = 45,977.02/x
  3. Step 3: Cross multiply
    83,702.77x = 115,510.62 × 45,977.02
  4. Step 4: Simplify right side
    83,702.77x = 5,310,834,085.95
  5. Step 5: Solve for x
    x = 5,310,834,085.95/83,702.77
  6. Step 6: Final answer
    x = 63,448.73

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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.