Home / 99,710.24-137,594.96-61,983.84

Finding the Fourth Proportional to 99,710.24, 137,594.96 and 61,983.84

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Solution

The fourth proportional to 99,710.24, 137,594.96 and 61,983.84 is: 85,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,710.24 : 137,594.96 = 61,983.84 : x
  2. Step 2: Convert to fraction form
    99,710.24/137,594.96 = 61,983.84/x
  3. Step 3: Cross multiply
    99,710.24x = 137,594.96 × 61,983.84
  4. Step 4: Simplify right side
    99,710.24x = 8,528,663,985.45
  5. Step 5: Solve for x
    x = 8,528,663,985.45/99,710.24
  6. Step 6: Final answer
    x = 85,534.48

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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.