Home / 77,344.89-106,704.07-47,119.18

Finding the Fourth Proportional to 77,344.89, 106,704.07 and 47,119.18

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Solution

The fourth proportional to 77,344.89, 106,704.07 and 47,119.18 is: 65,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,344.89 : 106,704.07 = 47,119.18 : x
  2. Step 2: Convert to fraction form
    77,344.89/106,704.07 = 47,119.18/x
  3. Step 3: Cross multiply
    77,344.89x = 106,704.07 × 47,119.18
  4. Step 4: Simplify right side
    77,344.89x = 5,027,808,281.06
  5. Step 5: Solve for x
    x = 5,027,808,281.06/77,344.89
  6. Step 6: Final answer
    x = 65,005.05

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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.