Home / 70,360.14-105,508.34-30,360.25

Finding the Fourth Proportional to 70,360.14, 105,508.34 and 30,360.25

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Solution

The fourth proportional to 70,360.14, 105,508.34 and 30,360.25 is: 45,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,360.14 : 105,508.34 = 30,360.25 : x
  2. Step 2: Convert to fraction form
    70,360.14/105,508.34 = 30,360.25/x
  3. Step 3: Cross multiply
    70,360.14x = 105,508.34 × 30,360.25
  4. Step 4: Simplify right side
    70,360.14x = 3,203,259,250.71
  5. Step 5: Solve for x
    x = 3,203,259,250.71/70,360.14
  6. Step 6: Final answer
    x = 45,526.62

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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.