Home / 90,280.47-124,580.26-49,435.65

Finding the Fourth Proportional to 90,280.47, 124,580.26 and 49,435.65

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Solution

The fourth proportional to 90,280.47, 124,580.26 and 49,435.65 is: 68,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,280.47 : 124,580.26 = 49,435.65 : x
  2. Step 2: Convert to fraction form
    90,280.47/124,580.26 = 49,435.65/x
  3. Step 3: Cross multiply
    90,280.47x = 124,580.26 × 49,435.65
  4. Step 4: Simplify right side
    90,280.47x = 6,158,706,192.06
  5. Step 5: Solve for x
    x = 6,158,706,192.06/90,280.47
  6. Step 6: Final answer
    x = 68,217.48

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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.