Home / 70,718.13-97,594.11-38,888.15

Finding the Fourth Proportional to 70,718.13, 97,594.11 and 38,888.15

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Solution

The fourth proportional to 70,718.13, 97,594.11 and 38,888.15 is: 53,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,718.13 : 97,594.11 = 38,888.15 : x
  2. Step 2: Convert to fraction form
    70,718.13/97,594.11 = 38,888.15/x
  3. Step 3: Cross multiply
    70,718.13x = 97,594.11 × 38,888.15
  4. Step 4: Simplify right side
    70,718.13x = 3,795,253,900.83
  5. Step 5: Solve for x
    x = 3,795,253,900.83/70,718.13
  6. Step 6: Final answer
    x = 53,667.34

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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.