Home / 85,908.38-118,605.40-56,152.22

Finding the Fourth Proportional to 85,908.38, 118,605.40 and 56,152.22

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Solution

The fourth proportional to 85,908.38, 118,605.40 and 56,152.22 is: 77,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,908.38 : 118,605.40 = 56,152.22 : x
  2. Step 2: Convert to fraction form
    85,908.38/118,605.40 = 56,152.22/x
  3. Step 3: Cross multiply
    85,908.38x = 118,605.40 × 56,152.22
  4. Step 4: Simplify right side
    85,908.38x = 6,659,955,780.58
  5. Step 5: Solve for x
    x = 6,659,955,780.58/85,908.38
  6. Step 6: Final answer
    x = 77,523.94

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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.