Home / 79,486.34-109,693.15-43,677.25

Finding the Fourth Proportional to 79,486.34, 109,693.15 and 43,677.25

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Solution

The fourth proportional to 79,486.34, 109,693.15 and 43,677.25 is: 60,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,486.34 : 109,693.15 = 43,677.25 : x
  2. Step 2: Convert to fraction form
    79,486.34/109,693.15 = 43,677.25/x
  3. Step 3: Cross multiply
    79,486.34x = 109,693.15 × 43,677.25
  4. Step 4: Simplify right side
    79,486.34x = 4,791,094,752.41
  5. Step 5: Solve for x
    x = 4,791,094,752.41/79,486.34
  6. Step 6: Final answer
    x = 60,275.70

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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.