Home / 85,884.28-118,496.08-55,670.88

Finding the Fourth Proportional to 85,884.28, 118,496.08 and 55,670.88

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Solution

The fourth proportional to 85,884.28, 118,496.08 and 55,670.88 is: 76,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,884.28 : 118,496.08 = 55,670.88 : x
  2. Step 2: Convert to fraction form
    85,884.28/118,496.08 = 55,670.88/x
  3. Step 3: Cross multiply
    85,884.28x = 118,496.08 × 55,670.88
  4. Step 4: Simplify right side
    85,884.28x = 6,596,781,050.15
  5. Step 5: Solve for x
    x = 6,596,781,050.15/85,884.28
  6. Step 6: Final answer
    x = 76,810.11

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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.