Home / 96,987.90-133,833.84-54,545.52

Finding the Fourth Proportional to 96,987.90, 133,833.84 and 54,545.52

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Solution

The fourth proportional to 96,987.90, 133,833.84 and 54,545.52 is: 75,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,987.90 : 133,833.84 = 54,545.52 : x
  2. Step 2: Convert to fraction form
    96,987.90/133,833.84 = 54,545.52/x
  3. Step 3: Cross multiply
    96,987.90x = 133,833.84 × 54,545.52
  4. Step 4: Simplify right side
    96,987.90x = 7,300,036,396.40
  5. Step 5: Solve for x
    x = 7,300,036,396.40/96,987.90
  6. Step 6: Final answer
    x = 75,267.50

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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.