Home / 85,354.08-117,761.22-47,621.04

Finding the Fourth Proportional to 85,354.08, 117,761.22 and 47,621.04

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Solution

The fourth proportional to 85,354.08, 117,761.22 and 47,621.04 is: 65,701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,354.08 : 117,761.22 = 47,621.04 : x
  2. Step 2: Convert to fraction form
    85,354.08/117,761.22 = 47,621.04/x
  3. Step 3: Cross multiply
    85,354.08x = 117,761.22 × 47,621.04
  4. Step 4: Simplify right side
    85,354.08x = 5,607,911,768.07
  5. Step 5: Solve for x
    x = 5,607,911,768.07/85,354.08
  6. Step 6: Final answer
    x = 65,701.74

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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.