Home / 57,417.48-86,126.28-31,288.32

Finding the Fourth Proportional to 57,417.48, 86,126.28 and 31,288.32

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Solution

The fourth proportional to 57,417.48, 86,126.28 and 31,288.32 is: 46,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,417.48 : 86,126.28 = 31,288.32 : x
  2. Step 2: Convert to fraction form
    57,417.48/86,126.28 = 31,288.32/x
  3. Step 3: Cross multiply
    57,417.48x = 86,126.28 × 31,288.32
  4. Step 4: Simplify right side
    57,417.48x = 2,694,746,609.05
  5. Step 5: Solve for x
    x = 2,694,746,609.05/57,417.48
  6. Step 6: Final answer
    x = 46,932.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.