Home / 92,587.11-138,931.22-39,270.81

Finding the Fourth Proportional to 92,587.11, 138,931.22 and 39,270.81

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Solution

The fourth proportional to 92,587.11, 138,931.22 and 39,270.81 is: 58,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,587.11 : 138,931.22 = 39,270.81 : x
  2. Step 2: Convert to fraction form
    92,587.11/138,931.22 = 39,270.81/x
  3. Step 3: Cross multiply
    92,587.11x = 138,931.22 × 39,270.81
  4. Step 4: Simplify right side
    92,587.11x = 5,455,941,543.69
  5. Step 5: Solve for x
    x = 5,455,941,543.69/92,587.11
  6. Step 6: Final answer
    x = 58,927.66

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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.