Home / 70,546.95-97,355.61-38,715.21

Finding the Fourth Proportional to 70,546.95, 97,355.61 and 38,715.21

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Solution

The fourth proportional to 70,546.95, 97,355.61 and 38,715.21 is: 53,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,546.95 : 97,355.61 = 38,715.21 : x
  2. Step 2: Convert to fraction form
    70,546.95/97,355.61 = 38,715.21/x
  3. Step 3: Cross multiply
    70,546.95x = 97,355.61 × 38,715.21
  4. Step 4: Simplify right side
    70,546.95x = 3,769,142,885.83
  5. Step 5: Solve for x
    x = 3,769,142,885.83/70,546.95
  6. Step 6: Final answer
    x = 53,427.44

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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.