Home / 69,521.12-95,888.16-45,639.08

Finding the Fourth Proportional to 69,521.12, 95,888.16 and 45,639.08

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Solution

The fourth proportional to 69,521.12, 95,888.16 and 45,639.08 is: 62,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,521.12 : 95,888.16 = 45,639.08 : x
  2. Step 2: Convert to fraction form
    69,521.12/95,888.16 = 45,639.08/x
  3. Step 3: Cross multiply
    69,521.12x = 95,888.16 × 45,639.08
  4. Step 4: Simplify right side
    69,521.12x = 4,376,246,925.85
  5. Step 5: Solve for x
    x = 4,376,246,925.85/69,521.12
  6. Step 6: Final answer
    x = 62,948.46

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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.