Home / 79,089.95-109,151.58-47,258.18

Finding the Fourth Proportional to 79,089.95, 109,151.58 and 47,258.18

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Solution

The fourth proportional to 79,089.95, 109,151.58 and 47,258.18 is: 65,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,089.95 : 109,151.58 = 47,258.18 : x
  2. Step 2: Convert to fraction form
    79,089.95/109,151.58 = 47,258.18/x
  3. Step 3: Cross multiply
    79,089.95x = 109,151.58 × 47,258.18
  4. Step 4: Simplify right side
    79,089.95x = 5,158,305,014.92
  5. Step 5: Solve for x
    x = 5,158,305,014.92/79,089.95
  6. Step 6: Final answer
    x = 65,220.74

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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.