Home / 62,139.08-85,754.08-35,280.68

Finding the Fourth Proportional to 62,139.08, 85,754.08 and 35,280.68

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Solution

The fourth proportional to 62,139.08, 85,754.08 and 35,280.68 is: 48,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.08 : 85,754.08 = 35,280.68 : x
  2. Step 2: Convert to fraction form
    62,139.08/85,754.08 = 35,280.68/x
  3. Step 3: Cross multiply
    62,139.08x = 85,754.08 × 35,280.68
  4. Step 4: Simplify right side
    62,139.08x = 3,025,462,255.17
  5. Step 5: Solve for x
    x = 3,025,462,255.17/62,139.08
  6. Step 6: Final answer
    x = 48,688.56

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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.