Home / 70,395.18-105,378.39-48,146.10

Finding the Fourth Proportional to 70,395.18, 105,378.39 and 48,146.10

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Solution

The fourth proportional to 70,395.18, 105,378.39 and 48,146.10 is: 72,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,395.18 : 105,378.39 = 48,146.10 : x
  2. Step 2: Convert to fraction form
    70,395.18/105,378.39 = 48,146.10/x
  3. Step 3: Cross multiply
    70,395.18x = 105,378.39 × 48,146.10
  4. Step 4: Simplify right side
    70,395.18x = 5,073,558,502.78
  5. Step 5: Solve for x
    x = 5,073,558,502.78/70,395.18
  6. Step 6: Final answer
    x = 72,072.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.