Home / 90,368.65-124,708.74-50,088.47

Finding the Fourth Proportional to 90,368.65, 124,708.74 and 50,088.47

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Solution

The fourth proportional to 90,368.65, 124,708.74 and 50,088.47 is: 69,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,368.65 : 124,708.74 = 50,088.47 : x
  2. Step 2: Convert to fraction form
    90,368.65/124,708.74 = 50,088.47/x
  3. Step 3: Cross multiply
    90,368.65x = 124,708.74 × 50,088.47
  4. Step 4: Simplify right side
    90,368.65x = 6,246,469,170.85
  5. Step 5: Solve for x
    x = 6,246,469,170.85/90,368.65
  6. Step 6: Final answer
    x = 69,122.08

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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.