Home / 73,664.17-101,656.56-40,130.17

Finding the Fourth Proportional to 73,664.17, 101,656.56 and 40,130.17

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Solution

The fourth proportional to 73,664.17, 101,656.56 and 40,130.17 is: 55,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,664.17 : 101,656.56 = 40,130.17 : x
  2. Step 2: Convert to fraction form
    73,664.17/101,656.56 = 40,130.17/x
  3. Step 3: Cross multiply
    73,664.17x = 101,656.56 × 40,130.17
  4. Step 4: Simplify right side
    73,664.17x = 4,079,495,034.42
  5. Step 5: Solve for x
    x = 4,079,495,034.42/73,664.17
  6. Step 6: Final answer
    x = 55,379.64

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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.