Home / 54,762.16-75,566.12-40,429.62

Finding the Fourth Proportional to 54,762.16, 75,566.12 and 40,429.62

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Solution

The fourth proportional to 54,762.16, 75,566.12 and 40,429.62 is: 55,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,762.16 : 75,566.12 = 40,429.62 : x
  2. Step 2: Convert to fraction form
    54,762.16/75,566.12 = 40,429.62/x
  3. Step 3: Cross multiply
    54,762.16x = 75,566.12 × 40,429.62
  4. Step 4: Simplify right side
    54,762.16x = 3,055,109,516.47
  5. Step 5: Solve for x
    x = 3,055,109,516.47/54,762.16
  6. Step 6: Final answer
    x = 55,788.70

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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.