Home / 62,139.08-85,754.07-35,280.69

Finding the Fourth Proportional to 62,139.08, 85,754.07 and 35,280.69

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Solution

The fourth proportional to 62,139.08, 85,754.07 and 35,280.69 is: 48,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.08 : 85,754.07 = 35,280.69 : x
  2. Step 2: Convert to fraction form
    62,139.08/85,754.07 = 35,280.69/x
  3. Step 3: Cross multiply
    62,139.08x = 85,754.07 × 35,280.69
  4. Step 4: Simplify right side
    62,139.08x = 3,025,462,759.91
  5. Step 5: Solve for x
    x = 3,025,462,759.91/62,139.08
  6. Step 6: Final answer
    x = 48,688.57

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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.