Home / 70,436.72-97,202.48-38,172.23

Finding the Fourth Proportional to 70,436.72, 97,202.48 and 38,172.23

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Solution

The fourth proportional to 70,436.72, 97,202.48 and 38,172.23 is: 52,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,436.72 : 97,202.48 = 38,172.23 : x
  2. Step 2: Convert to fraction form
    70,436.72/97,202.48 = 38,172.23/x
  3. Step 3: Cross multiply
    70,436.72x = 97,202.48 × 38,172.23
  4. Step 4: Simplify right side
    70,436.72x = 3,710,435,110.77
  5. Step 5: Solve for x
    x = 3,710,435,110.77/70,436.72
  6. Step 6: Final answer
    x = 52,677.57

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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.