Home / 70,774.08-97,657.07-40,553.59

Finding the Fourth Proportional to 70,774.08, 97,657.07 and 40,553.59

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Solution

The fourth proportional to 70,774.08, 97,657.07 and 40,553.59 is: 55,957.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,774.08 : 97,657.07 = 40,553.59 : x
  2. Step 2: Convert to fraction form
    70,774.08/97,657.07 = 40,553.59/x
  3. Step 3: Cross multiply
    70,774.08x = 97,657.07 × 40,553.59
  4. Step 4: Simplify right side
    70,774.08x = 3,960,344,289.10
  5. Step 5: Solve for x
    x = 3,960,344,289.10/70,774.08
  6. Step 6: Final answer
    x = 55,957.56

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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.