Home / 65,398.08-90,276.78-44,206.05

Finding the Fourth Proportional to 65,398.08, 90,276.78 and 44,206.05

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Solution

The fourth proportional to 65,398.08, 90,276.78 and 44,206.05 is: 61,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,398.08 : 90,276.78 = 44,206.05 : x
  2. Step 2: Convert to fraction form
    65,398.08/90,276.78 = 44,206.05/x
  3. Step 3: Cross multiply
    65,398.08x = 90,276.78 × 44,206.05
  4. Step 4: Simplify right side
    65,398.08x = 3,990,780,106.17
  5. Step 5: Solve for x
    x = 3,990,780,106.17/65,398.08
  6. Step 6: Final answer
    x = 61,022.89

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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.