Home / 99,686.16-149,522.76-52,965.36

Finding the Fourth Proportional to 99,686.16, 149,522.76 and 52,965.36

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Solution

The fourth proportional to 99,686.16, 149,522.76 and 52,965.36 is: 79,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,686.16 : 149,522.76 = 52,965.36 : x
  2. Step 2: Convert to fraction form
    99,686.16/149,522.76 = 52,965.36/x
  3. Step 3: Cross multiply
    99,686.16x = 149,522.76 × 52,965.36
  4. Step 4: Simplify right side
    99,686.16x = 7,919,526,811.59
  5. Step 5: Solve for x
    x = 7,919,526,811.59/99,686.16
  6. Step 6: Final answer
    x = 79,444.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.