Home / 57,828.20-86,742.30-35,569.40

Finding the Fourth Proportional to 57,828.20, 86,742.30 and 35,569.40

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Solution

The fourth proportional to 57,828.20, 86,742.30 and 35,569.40 is: 53,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,828.20 : 86,742.30 = 35,569.40 : x
  2. Step 2: Convert to fraction form
    57,828.20/86,742.30 = 35,569.40/x
  3. Step 3: Cross multiply
    57,828.20x = 86,742.30 × 35,569.40
  4. Step 4: Simplify right side
    57,828.20x = 3,085,371,565.62
  5. Step 5: Solve for x
    x = 3,085,371,565.62/57,828.20
  6. Step 6: Final answer
    x = 53,354.10

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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.