Home / 83,697.25-115,547.18-64,535.03

Finding the Fourth Proportional to 83,697.25, 115,547.18 and 64,535.03

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Solution

The fourth proportional to 83,697.25, 115,547.18 and 64,535.03 is: 89,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,697.25 : 115,547.18 = 64,535.03 : x
  2. Step 2: Convert to fraction form
    83,697.25/115,547.18 = 64,535.03/x
  3. Step 3: Cross multiply
    83,697.25x = 115,547.18 × 64,535.03
  4. Step 4: Simplify right side
    83,697.25x = 7,456,840,805.12
  5. Step 5: Solve for x
    x = 7,456,840,805.12/83,697.25
  6. Step 6: Final answer
    x = 89,093.02

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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.