Home / 85,565.52-118,054.08-49,749.12

Finding the Fourth Proportional to 85,565.52, 118,054.08 and 49,749.12

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Solution

The fourth proportional to 85,565.52, 118,054.08 and 49,749.12 is: 68,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,565.52 : 118,054.08 = 49,749.12 : x
  2. Step 2: Convert to fraction form
    85,565.52/118,054.08 = 49,749.12/x
  3. Step 3: Cross multiply
    85,565.52x = 118,054.08 × 49,749.12
  4. Step 4: Simplify right side
    85,565.52x = 5,873,086,592.41
  5. Step 5: Solve for x
    x = 5,873,086,592.41/85,565.52
  6. Step 6: Final answer
    x = 68,638.47

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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.