Home / 99,049.37-136,686.96-53,726.49

Finding the Fourth Proportional to 99,049.37, 136,686.96 and 53,726.49

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Solution

The fourth proportional to 99,049.37, 136,686.96 and 53,726.49 is: 74,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,049.37 : 136,686.96 = 53,726.49 : x
  2. Step 2: Convert to fraction form
    99,049.37/136,686.96 = 53,726.49/x
  3. Step 3: Cross multiply
    99,049.37x = 136,686.96 × 53,726.49
  4. Step 4: Simplify right side
    99,049.37x = 7,343,710,589.57
  5. Step 5: Solve for x
    x = 7,343,710,589.57/99,049.37
  6. Step 6: Final answer
    x = 74,141.92

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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.