Home / 48,530.48-72,807.81-38,572.80

Finding the Fourth Proportional to 48,530.48, 72,807.81 and 38,572.80

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Solution

The fourth proportional to 48,530.48, 72,807.81 and 38,572.80 is: 57,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,530.48 : 72,807.81 = 38,572.80 : x
  2. Step 2: Convert to fraction form
    48,530.48/72,807.81 = 38,572.80/x
  3. Step 3: Cross multiply
    48,530.48x = 72,807.81 × 38,572.80
  4. Step 4: Simplify right side
    48,530.48x = 2,808,400,948.92
  5. Step 5: Solve for x
    x = 2,808,400,948.92/48,530.48
  6. Step 6: Final answer
    x = 57,868.81

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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.