Home / 83,849.64-115,710.08-46,123.89

Finding the Fourth Proportional to 83,849.64, 115,710.08 and 46,123.89

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Solution

The fourth proportional to 83,849.64, 115,710.08 and 46,123.89 is: 63,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,849.64 : 115,710.08 = 46,123.89 : x
  2. Step 2: Convert to fraction form
    83,849.64/115,710.08 = 46,123.89/x
  3. Step 3: Cross multiply
    83,849.64x = 115,710.08 × 46,123.89
  4. Step 4: Simplify right side
    83,849.64x = 5,336,999,001.81
  5. Step 5: Solve for x
    x = 5,336,999,001.81/83,849.64
  6. Step 6: Final answer
    x = 63,649.64

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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.