Home / 70,675.85-97,549.58-40,478.65

Finding the Fourth Proportional to 70,675.85, 97,549.58 and 40,478.65

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Solution

The fourth proportional to 70,675.85, 97,549.58 and 40,478.65 is: 55,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,675.85 : 97,549.58 = 40,478.65 : x
  2. Step 2: Convert to fraction form
    70,675.85/97,549.58 = 40,478.65/x
  3. Step 3: Cross multiply
    70,675.85x = 97,549.58 × 40,478.65
  4. Step 4: Simplify right side
    70,675.85x = 3,948,675,306.47
  5. Step 5: Solve for x
    x = 3,948,675,306.47/70,675.85
  6. Step 6: Final answer
    x = 55,870.22

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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.