Home / 67,664.77-93,330.43-40,785.19

Finding the Fourth Proportional to 67,664.77, 93,330.43 and 40,785.19

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Solution

The fourth proportional to 67,664.77, 93,330.43 and 40,785.19 is: 56,255.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,664.77 : 93,330.43 = 40,785.19 : x
  2. Step 2: Convert to fraction form
    67,664.77/93,330.43 = 40,785.19/x
  3. Step 3: Cross multiply
    67,664.77x = 93,330.43 × 40,785.19
  4. Step 4: Simplify right side
    67,664.77x = 3,806,498,985.04
  5. Step 5: Solve for x
    x = 3,806,498,985.04/67,664.77
  6. Step 6: Final answer
    x = 56,255.26

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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.