Home / 109,032.47-163,570.67-38,909.96

Finding the Fourth Proportional to 109,032.47, 163,570.67 and 38,909.96

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Solution

The fourth proportional to 109,032.47, 163,570.67 and 38,909.96 is: 58,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,032.47 : 163,570.67 = 38,909.96 : x
  2. Step 2: Convert to fraction form
    109,032.47/163,570.67 = 38,909.96/x
  3. Step 3: Cross multiply
    109,032.47x = 163,570.67 × 38,909.96
  4. Step 4: Simplify right side
    109,032.47x = 6,364,528,226.87
  5. Step 5: Solve for x
    x = 6,364,528,226.87/109,032.47
  6. Step 6: Final answer
    x = 58,372.78

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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.