Home / 90,835.68-125,351.34-50,547.90

Finding the Fourth Proportional to 90,835.68, 125,351.34 and 50,547.90

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Solution

The fourth proportional to 90,835.68, 125,351.34 and 50,547.90 is: 69,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,835.68 : 125,351.34 = 50,547.90 : x
  2. Step 2: Convert to fraction form
    90,835.68/125,351.34 = 50,547.90/x
  3. Step 3: Cross multiply
    90,835.68x = 125,351.34 × 50,547.90
  4. Step 4: Simplify right side
    90,835.68x = 6,336,246,999.19
  5. Step 5: Solve for x
    x = 6,336,246,999.19/90,835.68
  6. Step 6: Final answer
    x = 69,755.05

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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.