Home / 79,017.48-109,044.14-43,210.80

Finding the Fourth Proportional to 79,017.48, 109,044.14 and 43,210.80

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Solution

The fourth proportional to 79,017.48, 109,044.14 and 43,210.80 is: 59,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,017.48 : 109,044.14 = 43,210.80 : x
  2. Step 2: Convert to fraction form
    79,017.48/109,044.14 = 43,210.80/x
  3. Step 3: Cross multiply
    79,017.48x = 109,044.14 × 43,210.80
  4. Step 4: Simplify right side
    79,017.48x = 4,711,884,524.71
  5. Step 5: Solve for x
    x = 4,711,884,524.71/79,017.48
  6. Step 6: Final answer
    x = 59,630.91

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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.