Home / 62,140.79-85,804.92-50,657.55

Finding the Fourth Proportional to 62,140.79, 85,804.92 and 50,657.55

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Solution

The fourth proportional to 62,140.79, 85,804.92 and 50,657.55 is: 69,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,140.79 : 85,804.92 = 50,657.55 : x
  2. Step 2: Convert to fraction form
    62,140.79/85,804.92 = 50,657.55/x
  3. Step 3: Cross multiply
    62,140.79x = 85,804.92 × 50,657.55
  4. Step 4: Simplify right side
    62,140.79x = 4,346,667,025.15
  5. Step 5: Solve for x
    x = 4,346,667,025.15/62,140.79
  6. Step 6: Final answer
    x = 69,948.70

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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.