Home / 69,617.12-96,070.59-39,408.17

Finding the Fourth Proportional to 69,617.12, 96,070.59 and 39,408.17

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Solution

The fourth proportional to 69,617.12, 96,070.59 and 39,408.17 is: 54,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,617.12 : 96,070.59 = 39,408.17 : x
  2. Step 2: Convert to fraction form
    69,617.12/96,070.59 = 39,408.17/x
  3. Step 3: Cross multiply
    69,617.12x = 96,070.59 × 39,408.17
  4. Step 4: Simplify right side
    69,617.12x = 3,785,966,142.72
  5. Step 5: Solve for x
    x = 3,785,966,142.72/69,617.12
  6. Step 6: Final answer
    x = 54,382.69

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1.5x scale

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.