Home / 85,525.61-118,067.49-53,712.05

Finding the Fourth Proportional to 85,525.61, 118,067.49 and 53,712.05

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Solution

The fourth proportional to 85,525.61, 118,067.49 and 53,712.05 is: 74,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,525.61 : 118,067.49 = 53,712.05 : x
  2. Step 2: Convert to fraction form
    85,525.61/118,067.49 = 53,712.05/x
  3. Step 3: Cross multiply
    85,525.61x = 118,067.49 × 53,712.05
  4. Step 4: Simplify right side
    85,525.61x = 6,341,646,335.92
  5. Step 5: Solve for x
    x = 6,341,646,335.92/85,525.61
  6. Step 6: Final answer
    x = 74,149.10

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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.