Home / 85,565.48-118,078.29-47,324.03

Finding the Fourth Proportional to 85,565.48, 118,078.29 and 47,324.03

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Solution

The fourth proportional to 85,565.48, 118,078.29 and 47,324.03 is: 65,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,565.48 : 118,078.29 = 47,324.03 : x
  2. Step 2: Convert to fraction form
    85,565.48/118,078.29 = 47,324.03/x
  3. Step 3: Cross multiply
    85,565.48x = 118,078.29 × 47,324.03
  4. Step 4: Simplify right side
    85,565.48x = 5,587,939,947.92
  5. Step 5: Solve for x
    x = 5,587,939,947.92/85,565.48
  6. Step 6: Final answer
    x = 65,306.01

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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.