Home / 79,495.26-109,746.12-61,306.20

Finding the Fourth Proportional to 79,495.26, 109,746.12 and 61,306.20

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Solution

The fourth proportional to 79,495.26, 109,746.12 and 61,306.20 is: 84,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,495.26 : 109,746.12 = 61,306.20 : x
  2. Step 2: Convert to fraction form
    79,495.26/109,746.12 = 61,306.20/x
  3. Step 3: Cross multiply
    79,495.26x = 109,746.12 × 61,306.20
  4. Step 4: Simplify right side
    79,495.26x = 6,728,117,581.94
  5. Step 5: Solve for x
    x = 6,728,117,581.94/79,495.26
  6. Step 6: Final answer
    x = 84,635.46

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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.