Home / 70,438.19-97,204.49-38,173.73

Finding the Fourth Proportional to 70,438.19, 97,204.49 and 38,173.73

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Solution

The fourth proportional to 70,438.19, 97,204.49 and 38,173.73 is: 52,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,438.19 : 97,204.49 = 38,173.73 : x
  2. Step 2: Convert to fraction form
    70,438.19/97,204.49 = 38,173.73/x
  3. Step 3: Cross multiply
    70,438.19x = 97,204.49 × 38,173.73
  4. Step 4: Simplify right side
    70,438.19x = 3,710,657,969.08
  5. Step 5: Solve for x
    x = 3,710,657,969.08/70,438.19
  6. Step 6: Final answer
    x = 52,679.63

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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.