Home / 48,405.93-72,514.33-31,715.25

Finding the Fourth Proportional to 48,405.93, 72,514.33 and 31,715.25

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Solution

The fourth proportional to 48,405.93, 72,514.33 and 31,715.25 is: 47,510.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,405.93 : 72,514.33 = 31,715.25 : x
  2. Step 2: Convert to fraction form
    48,405.93/72,514.33 = 31,715.25/x
  3. Step 3: Cross multiply
    48,405.93x = 72,514.33 × 31,715.25
  4. Step 4: Simplify right side
    48,405.93x = 2,299,810,104.53
  5. Step 5: Solve for x
    x = 2,299,810,104.53/48,405.93
  6. Step 6: Final answer
    x = 47,510.92

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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.