Home / 85,877.66-118,488.74-49,570.22

Finding the Fourth Proportional to 85,877.66, 118,488.74 and 49,570.22

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Solution

The fourth proportional to 85,877.66, 118,488.74 and 49,570.22 is: 68,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,877.66 : 118,488.74 = 49,570.22 : x
  2. Step 2: Convert to fraction form
    85,877.66/118,488.74 = 49,570.22/x
  3. Step 3: Cross multiply
    85,877.66x = 118,488.74 × 49,570.22
  4. Step 4: Simplify right side
    85,877.66x = 5,873,512,909.32
  5. Step 5: Solve for x
    x = 5,873,512,909.32/85,877.66
  6. Step 6: Final answer
    x = 68,393.96

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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.