Home / 48,666.30-73,042.65-42,099.90

Finding the Fourth Proportional to 48,666.30, 73,042.65 and 42,099.90

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Solution

The fourth proportional to 48,666.30, 73,042.65 and 42,099.90 is: 63,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,666.30 : 73,042.65 = 42,099.90 : x
  2. Step 2: Convert to fraction form
    48,666.30/73,042.65 = 42,099.90/x
  3. Step 3: Cross multiply
    48,666.30x = 73,042.65 × 42,099.90
  4. Step 4: Simplify right side
    48,666.30x = 3,075,088,260.74
  5. Step 5: Solve for x
    x = 3,075,088,260.74/48,666.30
  6. Step 6: Final answer
    x = 63,187.22

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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.