Home / 74,954.81-112,400.19-43,386.66

Finding the Fourth Proportional to 74,954.81, 112,400.19 and 43,386.66

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Solution

The fourth proportional to 74,954.81, 112,400.19 and 43,386.66 is: 65,061.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,954.81 : 112,400.19 = 43,386.66 : x
  2. Step 2: Convert to fraction form
    74,954.81/112,400.19 = 43,386.66/x
  3. Step 3: Cross multiply
    74,954.81x = 112,400.19 × 43,386.66
  4. Step 4: Simplify right side
    74,954.81x = 4,876,668,827.47
  5. Step 5: Solve for x
    x = 4,876,668,827.47/74,954.81
  6. Step 6: Final answer
    x = 65,061.46

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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.