Home / 70,041.15-105,047.60-25,652.75

Finding the Fourth Proportional to 70,041.15, 105,047.60 and 25,652.75

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Solution

The fourth proportional to 70,041.15, 105,047.60 and 25,652.75 is: 38,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,041.15 : 105,047.60 = 25,652.75 : x
  2. Step 2: Convert to fraction form
    70,041.15/105,047.60 = 25,652.75/x
  3. Step 3: Cross multiply
    70,041.15x = 105,047.60 × 25,652.75
  4. Step 4: Simplify right side
    70,041.15x = 2,694,759,167.40
  5. Step 5: Solve for x
    x = 2,694,759,167.40/70,041.15
  6. Step 6: Final answer
    x = 38,473.94

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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.