Home / 70,872.10-97,838.49-48,328.18

Finding the Fourth Proportional to 70,872.10, 97,838.49 and 48,328.18

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Solution

The fourth proportional to 70,872.10, 97,838.49 and 48,328.18 is: 66,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,872.10 : 97,838.49 = 48,328.18 : x
  2. Step 2: Convert to fraction form
    70,872.10/97,838.49 = 48,328.18/x
  3. Step 3: Cross multiply
    70,872.10x = 97,838.49 × 48,328.18
  4. Step 4: Simplify right side
    70,872.10x = 4,728,356,155.65
  5. Step 5: Solve for x
    x = 4,728,356,155.65/70,872.10
  6. Step 6: Final answer
    x = 66,716.75

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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.