Home / 85,818.24-118,425.48-47,577.60

Finding the Fourth Proportional to 85,818.24, 118,425.48 and 47,577.60

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Solution

The fourth proportional to 85,818.24, 118,425.48 and 47,577.60 is: 65,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,818.24 : 118,425.48 = 47,577.60 : x
  2. Step 2: Convert to fraction form
    85,818.24/118,425.48 = 47,577.60/x
  3. Step 3: Cross multiply
    85,818.24x = 118,425.48 × 47,577.60
  4. Step 4: Simplify right side
    85,818.24x = 5,634,400,117.25
  5. Step 5: Solve for x
    x = 5,634,400,117.25/85,818.24
  6. Step 6: Final answer
    x = 65,655.04

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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.