Home / 79,011.18-109,031.40-43,194.24

Finding the Fourth Proportional to 79,011.18, 109,031.40 and 43,194.24

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Solution

The fourth proportional to 79,011.18, 109,031.40 and 43,194.24 is: 59,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,011.18 : 109,031.40 = 43,194.24 : x
  2. Step 2: Convert to fraction form
    79,011.18/109,031.40 = 43,194.24/x
  3. Step 3: Cross multiply
    79,011.18x = 109,031.40 × 43,194.24
  4. Step 4: Simplify right side
    79,011.18x = 4,709,528,459.14
  5. Step 5: Solve for x
    x = 4,709,528,459.14/79,011.18
  6. Step 6: Final answer
    x = 59,605.85

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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.