Home / 85,727.49-118,344.96-57,094.80

Finding the Fourth Proportional to 85,727.49, 118,344.96 and 57,094.80

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Solution

The fourth proportional to 85,727.49, 118,344.96 and 57,094.80 is: 78,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,727.49 : 118,344.96 = 57,094.80 : x
  2. Step 2: Convert to fraction form
    85,727.49/118,344.96 = 57,094.80/x
  3. Step 3: Cross multiply
    85,727.49x = 118,344.96 × 57,094.80
  4. Step 4: Simplify right side
    85,727.49x = 6,756,881,822.21
  5. Step 5: Solve for x
    x = 6,756,881,822.21/85,727.49
  6. Step 6: Final answer
    x = 78,818.15

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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.