Home / 48,478.57-72,756.74-25,111.69

Finding the Fourth Proportional to 48,478.57, 72,756.74 and 25,111.69

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Solution

The fourth proportional to 48,478.57, 72,756.74 and 25,111.69 is: 37,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,478.57 : 72,756.74 = 25,111.69 : x
  2. Step 2: Convert to fraction form
    48,478.57/72,756.74 = 25,111.69/x
  3. Step 3: Cross multiply
    48,478.57x = 72,756.74 × 25,111.69
  4. Step 4: Simplify right side
    48,478.57x = 1,827,044,700.29
  5. Step 5: Solve for x
    x = 1,827,044,700.29/48,478.57
  6. Step 6: Final answer
    x = 37,687.68

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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.