Home / 57,154.87-85,718.47-23,856.90

Finding the Fourth Proportional to 57,154.87, 85,718.47 and 23,856.90

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Solution

The fourth proportional to 57,154.87, 85,718.47 and 23,856.90 is: 35,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,154.87 : 85,718.47 = 23,856.90 : x
  2. Step 2: Convert to fraction form
    57,154.87/85,718.47 = 23,856.90/x
  3. Step 3: Cross multiply
    57,154.87x = 85,718.47 × 23,856.90
  4. Step 4: Simplify right side
    57,154.87x = 2,044,976,966.94
  5. Step 5: Solve for x
    x = 2,044,976,966.94/57,154.87
  6. Step 6: Final answer
    x = 35,779.58

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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.