Home / 84,041.18-126,061.77-48,980.70

Finding the Fourth Proportional to 84,041.18, 126,061.77 and 48,980.70

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Solution

The fourth proportional to 84,041.18, 126,061.77 and 48,980.70 is: 73,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,041.18 : 126,061.77 = 48,980.70 : x
  2. Step 2: Convert to fraction form
    84,041.18/126,061.77 = 48,980.70/x
  3. Step 3: Cross multiply
    84,041.18x = 126,061.77 × 48,980.70
  4. Step 4: Simplify right side
    84,041.18x = 6,174,593,737.84
  5. Step 5: Solve for x
    x = 6,174,593,737.84/84,041.18
  6. Step 6: Final answer
    x = 73,471.05

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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.