Home / 99,006.30-136,615.61-55,991.66

Finding the Fourth Proportional to 99,006.30, 136,615.61 and 55,991.66

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Solution

The fourth proportional to 99,006.30, 136,615.61 and 55,991.66 is: 77,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,006.30 : 136,615.61 = 55,991.66 : x
  2. Step 2: Convert to fraction form
    99,006.30/136,615.61 = 55,991.66/x
  3. Step 3: Cross multiply
    99,006.30x = 136,615.61 × 55,991.66
  4. Step 4: Simplify right side
    99,006.30x = 7,649,334,242.71
  5. Step 5: Solve for x
    x = 7,649,334,242.71/99,006.30
  6. Step 6: Final answer
    x = 77,261.09

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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.