Home / 85,193.81-117,587.50-52,952.78

Finding the Fourth Proportional to 85,193.81, 117,587.50 and 52,952.78

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Solution

The fourth proportional to 85,193.81, 117,587.50 and 52,952.78 is: 73,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193.81 : 117,587.50 = 52,952.78 : x
  2. Step 2: Convert to fraction form
    85,193.81/117,587.50 = 52,952.78/x
  3. Step 3: Cross multiply
    85,193.81x = 117,587.50 × 52,952.78
  4. Step 4: Simplify right side
    85,193.81x = 6,226,585,018.25
  5. Step 5: Solve for x
    x = 6,226,585,018.25/85,193.81
  6. Step 6: Final answer
    x = 73,087.29

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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.