Home / 74,429.95-112,141.38-67,322.41

Finding the Fourth Proportional to 74,429.95, 112,141.38 and 67,322.41

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Solution

The fourth proportional to 74,429.95, 112,141.38 and 67,322.41 is: 101,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429.95 : 112,141.38 = 67,322.41 : x
  2. Step 2: Convert to fraction form
    74,429.95/112,141.38 = 67,322.41/x
  3. Step 3: Cross multiply
    74,429.95x = 112,141.38 × 67,322.41
  4. Step 4: Simplify right side
    74,429.95x = 7,549,627,317.47
  5. Step 5: Solve for x
    x = 7,549,627,317.47/74,429.95
  6. Step 6: Final answer
    x = 101,432.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.