Home / 70,358.08-97,097.04-38,529.76

Finding the Fourth Proportional to 70,358.08, 97,097.04 and 38,529.76

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Solution

The fourth proportional to 70,358.08, 97,097.04 and 38,529.76 is: 53,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,358.08 : 97,097.04 = 38,529.76 : x
  2. Step 2: Convert to fraction form
    70,358.08/97,097.04 = 38,529.76/x
  3. Step 3: Cross multiply
    70,358.08x = 97,097.04 × 38,529.76
  4. Step 4: Simplify right side
    70,358.08x = 3,741,125,647.91
  5. Step 5: Solve for x
    x = 3,741,125,647.91/70,358.08
  6. Step 6: Final answer
    x = 53,172.65

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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.