Home / 70,436.16-97,202.21-38,170.85

Finding the Fourth Proportional to 70,436.16, 97,202.21 and 38,170.85

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Solution

The fourth proportional to 70,436.16, 97,202.21 and 38,170.85 is: 52,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,436.16 : 97,202.21 = 38,170.85 : x
  2. Step 2: Convert to fraction form
    70,436.16/97,202.21 = 38,170.85/x
  3. Step 3: Cross multiply
    70,436.16x = 97,202.21 × 38,170.85
  4. Step 4: Simplify right side
    70,436.16x = 3,710,290,300.71
  5. Step 5: Solve for x
    x = 3,710,290,300.71/70,436.16
  6. Step 6: Final answer
    x = 52,675.93

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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.