Home / 99,181.18-136,885.49-56,162.89

Finding the Fourth Proportional to 99,181.18, 136,885.49 and 56,162.89

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Solution

The fourth proportional to 99,181.18, 136,885.49 and 56,162.89 is: 77,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,181.18 : 136,885.49 = 56,162.89 : x
  2. Step 2: Convert to fraction form
    99,181.18/136,885.49 = 56,162.89/x
  3. Step 3: Cross multiply
    99,181.18x = 136,885.49 × 56,162.89
  4. Step 4: Simplify right side
    99,181.18x = 7,687,884,717.47
  5. Step 5: Solve for x
    x = 7,687,884,717.47/99,181.18
  6. Step 6: Final answer
    x = 77,513.54

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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.