Home / 69,772.04-96,282.48-39,559.40

Finding the Fourth Proportional to 69,772.04, 96,282.48 and 39,559.40

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Solution

The fourth proportional to 69,772.04, 96,282.48 and 39,559.40 is: 54,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,772.04 : 96,282.48 = 39,559.40 : x
  2. Step 2: Convert to fraction form
    69,772.04/96,282.48 = 39,559.40/x
  3. Step 3: Cross multiply
    69,772.04x = 96,282.48 × 39,559.40
  4. Step 4: Simplify right side
    69,772.04x = 3,808,876,657.90
  5. Step 5: Solve for x
    x = 3,808,876,657.90/69,772.04
  6. Step 6: Final answer
    x = 54,590.30

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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.