Home / 99,030.18-136,659.78-56,008.92

Finding the Fourth Proportional to 99,030.18, 136,659.78 and 56,008.92

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Solution

The fourth proportional to 99,030.18, 136,659.78 and 56,008.92 is: 77,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,030.18 : 136,659.78 = 56,008.92 : x
  2. Step 2: Convert to fraction form
    99,030.18/136,659.78 = 56,008.92/x
  3. Step 3: Cross multiply
    99,030.18x = 136,659.78 × 56,008.92
  4. Step 4: Simplify right side
    99,030.18x = 7,654,166,685.24
  5. Step 5: Solve for x
    x = 7,654,166,685.24/99,030.18
  6. Step 6: Final answer
    x = 77,291.25

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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.