Home / 85,063.14-117,387.18-49,255.05

Finding the Fourth Proportional to 85,063.14, 117,387.18 and 49,255.05

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Solution

The fourth proportional to 85,063.14, 117,387.18 and 49,255.05 is: 67,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,063.14 : 117,387.18 = 49,255.05 : x
  2. Step 2: Convert to fraction form
    85,063.14/117,387.18 = 49,255.05/x
  3. Step 3: Cross multiply
    85,063.14x = 117,387.18 × 49,255.05
  4. Step 4: Simplify right side
    85,063.14x = 5,781,911,420.26
  5. Step 5: Solve for x
    x = 5,781,911,420.26/85,063.14
  6. Step 6: Final answer
    x = 67,972.00

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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.