Home / 73,064.13-100,830.11-40,358.47

Finding the Fourth Proportional to 73,064.13, 100,830.11 and 40,358.47

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Solution

The fourth proportional to 73,064.13, 100,830.11 and 40,358.47 is: 55,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,064.13 : 100,830.11 = 40,358.47 : x
  2. Step 2: Convert to fraction form
    73,064.13/100,830.11 = 40,358.47/x
  3. Step 3: Cross multiply
    73,064.13x = 100,830.11 × 40,358.47
  4. Step 4: Simplify right side
    73,064.13x = 4,069,348,969.53
  5. Step 5: Solve for x
    x = 4,069,348,969.53/73,064.13
  6. Step 6: Final answer
    x = 55,695.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.