Home / 70,438.29-97,204.26-38,607.11

Finding the Fourth Proportional to 70,438.29, 97,204.26 and 38,607.11

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Solution

The fourth proportional to 70,438.29, 97,204.26 and 38,607.11 is: 53,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,438.29 : 97,204.26 = 38,607.11 : x
  2. Step 2: Convert to fraction form
    70,438.29/97,204.26 = 38,607.11/x
  3. Step 3: Cross multiply
    70,438.29x = 97,204.26 × 38,607.11
  4. Step 4: Simplify right side
    70,438.29x = 3,752,775,801.30
  5. Step 5: Solve for x
    x = 3,752,775,801.30/70,438.29
  6. Step 6: Final answer
    x = 53,277.50

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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.