Home / 99,049.23-136,654.70-56,577.69

Finding the Fourth Proportional to 99,049.23, 136,654.70 and 56,577.69

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Solution

The fourth proportional to 99,049.23, 136,654.70 and 56,577.69 is: 78,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,049.23 : 136,654.70 = 56,577.69 : x
  2. Step 2: Convert to fraction form
    99,049.23/136,654.70 = 56,577.69/x
  3. Step 3: Cross multiply
    99,049.23x = 136,654.70 × 56,577.69
  4. Step 4: Simplify right side
    99,049.23x = 7,731,606,970.75
  5. Step 5: Solve for x
    x = 7,731,606,970.75/99,049.23
  6. Step 6: Final answer
    x = 78,058.22

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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.