Home / 64,819.40-97,034.70-38,510.60

Finding the Fourth Proportional to 64,819.40, 97,034.70 and 38,510.60

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Solution

The fourth proportional to 64,819.40, 97,034.70 and 38,510.60 is: 57,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,819.40 : 97,034.70 = 38,510.60 : x
  2. Step 2: Convert to fraction form
    64,819.40/97,034.70 = 38,510.60/x
  3. Step 3: Cross multiply
    64,819.40x = 97,034.70 × 38,510.60
  4. Step 4: Simplify right side
    64,819.40x = 3,736,864,517.82
  5. Step 5: Solve for x
    x = 3,736,864,517.82/64,819.40
  6. Step 6: Final answer
    x = 57,650.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.