Home / 92,357.18-138,328.18-56,235.80

Finding the Fourth Proportional to 92,357.18, 138,328.18 and 56,235.80

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Solution

The fourth proportional to 92,357.18, 138,328.18 and 56,235.80 is: 84,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,357.18 : 138,328.18 = 56,235.80 : x
  2. Step 2: Convert to fraction form
    92,357.18/138,328.18 = 56,235.80/x
  3. Step 3: Cross multiply
    92,357.18x = 138,328.18 × 56,235.80
  4. Step 4: Simplify right side
    92,357.18x = 7,778,995,758.52
  5. Step 5: Solve for x
    x = 7,778,995,758.52/92,357.18
  6. Step 6: Final answer
    x = 84,227.30

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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.