Home / 70,869.16-97,799.70-39,037.96

Finding the Fourth Proportional to 70,869.16, 97,799.70 and 39,037.96

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Solution

The fourth proportional to 70,869.16, 97,799.70 and 39,037.96 is: 53,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,869.16 : 97,799.70 = 39,037.96 : x
  2. Step 2: Convert to fraction form
    70,869.16/97,799.70 = 39,037.96/x
  3. Step 3: Cross multiply
    70,869.16x = 97,799.70 × 39,037.96
  4. Step 4: Simplify right side
    70,869.16x = 3,817,900,776.61
  5. Step 5: Solve for x
    x = 3,817,900,776.61/70,869.16
  6. Step 6: Final answer
    x = 53,872.53

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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.