Home / 85,053.40-117,535.68-63,795.76

Finding the Fourth Proportional to 85,053.40, 117,535.68 and 63,795.76

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Solution

The fourth proportional to 85,053.40, 117,535.68 and 63,795.76 is: 88,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,053.40 : 117,535.68 = 63,795.76 : x
  2. Step 2: Convert to fraction form
    85,053.40/117,535.68 = 63,795.76/x
  3. Step 3: Cross multiply
    85,053.40x = 117,535.68 × 63,795.76
  4. Step 4: Simplify right side
    85,053.40x = 7,498,278,032.72
  5. Step 5: Solve for x
    x = 7,498,278,032.72/85,053.40
  6. Step 6: Final answer
    x = 88,159.65

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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.