Home / 66,918.15-92,266.29-57,827.25

Finding the Fourth Proportional to 66,918.15, 92,266.29 and 57,827.25

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Solution

The fourth proportional to 66,918.15, 92,266.29 and 57,827.25 is: 79,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,918.15 : 92,266.29 = 57,827.25 : x
  2. Step 2: Convert to fraction form
    66,918.15/92,266.29 = 57,827.25/x
  3. Step 3: Cross multiply
    66,918.15x = 92,266.29 × 57,827.25
  4. Step 4: Simplify right side
    66,918.15x = 5,335,505,818.40
  5. Step 5: Solve for x
    x = 5,335,505,818.40/66,918.15
  6. Step 6: Final answer
    x = 79,731.82

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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.