Home / 99,179.42-136,883.06-56,161.13

Finding the Fourth Proportional to 99,179.42, 136,883.06 and 56,161.13

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Solution

The fourth proportional to 99,179.42, 136,883.06 and 56,161.13 is: 77,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,179.42 : 136,883.06 = 56,161.13 : x
  2. Step 2: Convert to fraction form
    99,179.42/136,883.06 = 56,161.13/x
  3. Step 3: Cross multiply
    99,179.42x = 136,883.06 × 56,161.13
  4. Step 4: Simplify right side
    99,179.42x = 7,687,506,362.24
  5. Step 5: Solve for x
    x = 7,687,506,362.24/99,179.42
  6. Step 6: Final answer
    x = 77,511.11

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1.5x scale

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.