Home / 83,429.88-115,134.54-45,701.64

Finding the Fourth Proportional to 83,429.88, 115,134.54 and 45,701.64

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Solution

The fourth proportional to 83,429.88, 115,134.54 and 45,701.64 is: 63,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,429.88 : 115,134.54 = 45,701.64 : x
  2. Step 2: Convert to fraction form
    83,429.88/115,134.54 = 45,701.64/x
  3. Step 3: Cross multiply
    83,429.88x = 115,134.54 × 45,701.64
  4. Step 4: Simplify right side
    83,429.88x = 5,261,837,298.65
  5. Step 5: Solve for x
    x = 5,261,837,298.65/83,429.88
  6. Step 6: Final answer
    x = 63,068.98

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1.5x scale

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.