Home / 48,542.50-72,808.89-35,420.50

Finding the Fourth Proportional to 48,542.50, 72,808.89 and 35,420.50

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Solution

The fourth proportional to 48,542.50, 72,808.89 and 35,420.50 is: 53,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,542.50 : 72,808.89 = 35,420.50 : x
  2. Step 2: Convert to fraction form
    48,542.50/72,808.89 = 35,420.50/x
  3. Step 3: Cross multiply
    48,542.50x = 72,808.89 × 35,420.50
  4. Step 4: Simplify right side
    48,542.50x = 2,578,927,288.25
  5. Step 5: Solve for x
    x = 2,578,927,288.25/48,542.50
  6. Step 6: Final answer
    x = 53,127.20

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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.