Home / 70,729.13-97,601.24-42,047.30

Finding the Fourth Proportional to 70,729.13, 97,601.24 and 42,047.30

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Solution

The fourth proportional to 70,729.13, 97,601.24 and 42,047.30 is: 58,022.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,729.13 : 97,601.24 = 42,047.30 : x
  2. Step 2: Convert to fraction form
    70,729.13/97,601.24 = 42,047.30/x
  3. Step 3: Cross multiply
    70,729.13x = 97,601.24 × 42,047.30
  4. Step 4: Simplify right side
    70,729.13x = 4,103,868,967.77
  5. Step 5: Solve for x
    x = 4,103,868,967.77/70,729.13
  6. Step 6: Final answer
    x = 58,022.33

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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.