Home / 70,687.10-97,547.62-38,855.66

Finding the Fourth Proportional to 70,687.10, 97,547.62 and 38,855.66

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Solution

The fourth proportional to 70,687.10, 97,547.62 and 38,855.66 is: 53,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,687.10 : 97,547.62 = 38,855.66 : x
  2. Step 2: Convert to fraction form
    70,687.10/97,547.62 = 38,855.66/x
  3. Step 3: Cross multiply
    70,687.10x = 97,547.62 × 38,855.66
  4. Step 4: Simplify right side
    70,687.10x = 3,790,276,571.65
  5. Step 5: Solve for x
    x = 3,790,276,571.65/70,687.10
  6. Step 6: Final answer
    x = 53,620.49

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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.