Home / 70,947.72-97,904.52-40,712.04

Finding the Fourth Proportional to 70,947.72, 97,904.52 and 40,712.04

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Solution

The fourth proportional to 70,947.72, 97,904.52 and 40,712.04 is: 56,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,947.72 : 97,904.52 = 40,712.04 : x
  2. Step 2: Convert to fraction form
    70,947.72/97,904.52 = 40,712.04/x
  3. Step 3: Cross multiply
    70,947.72x = 97,904.52 × 40,712.04
  4. Step 4: Simplify right side
    70,947.72x = 3,985,892,734.42
  5. Step 5: Solve for x
    x = 3,985,892,734.42/70,947.72
  6. Step 6: Final answer
    x = 56,180.70

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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.