Home / 70,526.31-97,327.89-38,695.11

Finding the Fourth Proportional to 70,526.31, 97,327.89 and 38,695.11

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Solution

The fourth proportional to 70,526.31, 97,327.89 and 38,695.11 is: 53,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,526.31 : 97,327.89 = 38,695.11 : x
  2. Step 2: Convert to fraction form
    70,526.31/97,327.89 = 38,695.11/x
  3. Step 3: Cross multiply
    70,526.31x = 97,327.89 × 38,695.11
  4. Step 4: Simplify right side
    70,526.31x = 3,766,113,409.62
  5. Step 5: Solve for x
    x = 3,766,113,409.62/70,526.31
  6. Step 6: Final answer
    x = 53,400.12

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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.