Home / 84,379.02-126,630.81-40,005.93

Finding the Fourth Proportional to 84,379.02, 126,630.81 and 40,005.93

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Solution

The fourth proportional to 84,379.02, 126,630.81 and 40,005.93 is: 60,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,379.02 : 126,630.81 = 40,005.93 : x
  2. Step 2: Convert to fraction form
    84,379.02/126,630.81 = 40,005.93/x
  3. Step 3: Cross multiply
    84,379.02x = 126,630.81 × 40,005.93
  4. Step 4: Simplify right side
    84,379.02x = 5,065,983,795.57
  5. Step 5: Solve for x
    x = 5,065,983,795.57/84,379.02
  6. Step 6: Final answer
    x = 60,038.43

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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.