Home / 101,867.10-140,577.82-56,545.98

Finding the Fourth Proportional to 101,867.10, 140,577.82 and 56,545.98

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Solution

The fourth proportional to 101,867.10, 140,577.82 and 56,545.98 is: 78,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,867.10 : 140,577.82 = 56,545.98 : x
  2. Step 2: Convert to fraction form
    101,867.10/140,577.82 = 56,545.98/x
  3. Step 3: Cross multiply
    101,867.10x = 140,577.82 × 56,545.98
  4. Step 4: Simplify right side
    101,867.10x = 7,949,110,598.16
  5. Step 5: Solve for x
    x = 7,949,110,598.16/101,867.10
  6. Step 6: Final answer
    x = 78,034.13

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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.