Home / 70,147.68-96,803.56-38,316.57

Finding the Fourth Proportional to 70,147.68, 96,803.56 and 38,316.57

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Solution

The fourth proportional to 70,147.68, 96,803.56 and 38,316.57 is: 52,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,147.68 : 96,803.56 = 38,316.57 : x
  2. Step 2: Convert to fraction form
    70,147.68/96,803.56 = 38,316.57/x
  3. Step 3: Cross multiply
    70,147.68x = 96,803.56 × 38,316.57
  4. Step 4: Simplify right side
    70,147.68x = 3,709,180,382.99
  5. Step 5: Solve for x
    x = 3,709,180,382.99/70,147.68
  6. Step 6: Final answer
    x = 52,876.74

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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.