Home / 93,545.12-129,051.18-55,797.56

Finding the Fourth Proportional to 93,545.12, 129,051.18 and 55,797.56

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Solution

The fourth proportional to 93,545.12, 129,051.18 and 55,797.56 is: 76,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,545.12 : 129,051.18 = 55,797.56 : x
  2. Step 2: Convert to fraction form
    93,545.12/129,051.18 = 55,797.56/x
  3. Step 3: Cross multiply
    93,545.12x = 129,051.18 × 55,797.56
  4. Step 4: Simplify right side
    93,545.12x = 7,200,740,959.12
  5. Step 5: Solve for x
    x = 7,200,740,959.12/93,545.12
  6. Step 6: Final answer
    x = 76,976.13

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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.