Home / 99,014.49-136,647.22-56,572.11

Finding the Fourth Proportional to 99,014.49, 136,647.22 and 56,572.11

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Solution

The fourth proportional to 99,014.49, 136,647.22 and 56,572.11 is: 78,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,014.49 : 136,647.22 = 56,572.11 : x
  2. Step 2: Convert to fraction form
    99,014.49/136,647.22 = 56,572.11/x
  3. Step 3: Cross multiply
    99,014.49x = 136,647.22 × 56,572.11
  4. Step 4: Simplify right side
    99,014.49x = 7,730,420,877.80
  5. Step 5: Solve for x
    x = 7,730,420,877.80/99,014.49
  6. Step 6: Final answer
    x = 78,073.64

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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.