Home / 99,113.44-136,776.49-56,092.15

Finding the Fourth Proportional to 99,113.44, 136,776.49 and 56,092.15

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Solution

The fourth proportional to 99,113.44, 136,776.49 and 56,092.15 is: 77,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,113.44 : 136,776.49 = 56,092.15 : x
  2. Step 2: Convert to fraction form
    99,113.44/136,776.49 = 56,092.15/x
  3. Step 3: Cross multiply
    99,113.44x = 136,776.49 × 56,092.15
  4. Step 4: Simplify right side
    99,113.44x = 7,672,087,393.55
  5. Step 5: Solve for x
    x = 7,672,087,393.55/99,113.44
  6. Step 6: Final answer
    x = 77,407.13

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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.