Home / 90,357.27-124,693.34-50,071.71

Finding the Fourth Proportional to 90,357.27, 124,693.34 and 50,071.71

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Solution

The fourth proportional to 90,357.27, 124,693.34 and 50,071.71 is: 69,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,357.27 : 124,693.34 = 50,071.71 : x
  2. Step 2: Convert to fraction form
    90,357.27/124,693.34 = 50,071.71/x
  3. Step 3: Cross multiply
    90,357.27x = 124,693.34 × 50,071.71
  4. Step 4: Simplify right side
    90,357.27x = 6,243,608,487.18
  5. Step 5: Solve for x
    x = 6,243,608,487.18/90,357.27
  6. Step 6: Final answer
    x = 69,099.13

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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.