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Finding the Fourth Proportional to 79,104.84, 109,137.53 and 45,088.79

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Solution

The fourth proportional to 79,104.84, 109,137.53 and 45,088.79 is: 62,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,104.84 : 109,137.53 = 45,088.79 : x
  2. Step 2: Convert to fraction form
    79,104.84/109,137.53 = 45,088.79/x
  3. Step 3: Cross multiply
    79,104.84x = 109,137.53 × 45,088.79
  4. Step 4: Simplify right side
    79,104.84x = 4,920,878,400.16
  5. Step 5: Solve for x
    x = 4,920,878,400.16/79,104.84
  6. Step 6: Final answer
    x = 62,207.05

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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.