Home / 99,012.42-136,592.85-58,727.88

Finding the Fourth Proportional to 99,012.42, 136,592.85 and 58,727.88

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Solution

The fourth proportional to 99,012.42, 136,592.85 and 58,727.88 is: 81,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,012.42 : 136,592.85 = 58,727.88 : x
  2. Step 2: Convert to fraction form
    99,012.42/136,592.85 = 58,727.88/x
  3. Step 3: Cross multiply
    99,012.42x = 136,592.85 × 58,727.88
  4. Step 4: Simplify right side
    99,012.42x = 8,021,808,503.66
  5. Step 5: Solve for x
    x = 8,021,808,503.66/99,012.42
  6. Step 6: Final answer
    x = 81,018.20

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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.