Home / 90,332.32-124,648.48-50,036

Finding the Fourth Proportional to 90,332.32, 124,648.48 and 50,036

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Solution

The fourth proportional to 90,332.32, 124,648.48 and 50,036 is: 69,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,332.32 : 124,648.48 = 50,036 : x
  2. Step 2: Convert to fraction form
    90,332.32/124,648.48 = 50,036/x
  3. Step 3: Cross multiply
    90,332.32x = 124,648.48 × 50,036
  4. Step 4: Simplify right side
    90,332.32x = 6,236,911,345.28
  5. Step 5: Solve for x
    x = 6,236,911,345.28/90,332.32
  6. Step 6: Final answer
    x = 69,044.07

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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.