Home / 63,320.40-87,456.51-50,617.58

Finding the Fourth Proportional to 63,320.40, 87,456.51 and 50,617.58

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Solution

The fourth proportional to 63,320.40, 87,456.51 and 50,617.58 is: 69,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,320.40 : 87,456.51 = 50,617.58 : x
  2. Step 2: Convert to fraction form
    63,320.40/87,456.51 = 50,617.58/x
  3. Step 3: Cross multiply
    63,320.40x = 87,456.51 × 50,617.58
  4. Step 4: Simplify right side
    63,320.40x = 4,426,836,454.16
  5. Step 5: Solve for x
    x = 4,426,836,454.16/63,320.40
  6. Step 6: Final answer
    x = 69,911.69

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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.