Home / 90,095.68-124,321.86-49,799.32

Finding the Fourth Proportional to 90,095.68, 124,321.86 and 49,799.32

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Solution

The fourth proportional to 90,095.68, 124,321.86 and 49,799.32 is: 68,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,095.68 : 124,321.86 = 49,799.32 : x
  2. Step 2: Convert to fraction form
    90,095.68/124,321.86 = 49,799.32/x
  3. Step 3: Cross multiply
    90,095.68x = 124,321.86 × 49,799.32
  4. Step 4: Simplify right side
    90,095.68x = 6,191,144,089.14
  5. Step 5: Solve for x
    x = 6,191,144,089.14/90,095.68
  6. Step 6: Final answer
    x = 68,717.44

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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.