Home / 85,291.02-117,701.34-47,565.26

Finding the Fourth Proportional to 85,291.02, 117,701.34 and 47,565.26

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Solution

The fourth proportional to 85,291.02, 117,701.34 and 47,565.26 is: 65,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,291.02 : 117,701.34 = 47,565.26 : x
  2. Step 2: Convert to fraction form
    85,291.02/117,701.34 = 47,565.26/x
  3. Step 3: Cross multiply
    85,291.02x = 117,701.34 × 47,565.26
  4. Step 4: Simplify right side
    85,291.02x = 5,598,494,839.45
  5. Step 5: Solve for x
    x = 5,598,494,839.45/85,291.02
  6. Step 6: Final answer
    x = 65,639.91

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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.