Home / 48,338.60-72,506.81-28,474.11

Finding the Fourth Proportional to 48,338.60, 72,506.81 and 28,474.11

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Solution

The fourth proportional to 48,338.60, 72,506.81 and 28,474.11 is: 42,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,338.60 : 72,506.81 = 28,474.11 : x
  2. Step 2: Convert to fraction form
    48,338.60/72,506.81 = 28,474.11/x
  3. Step 3: Cross multiply
    48,338.60x = 72,506.81 × 28,474.11
  4. Step 4: Simplify right side
    48,338.60x = 2,064,566,883.69
  5. Step 5: Solve for x
    x = 2,064,566,883.69/48,338.60
  6. Step 6: Final answer
    x = 42,710.52

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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.