Home / 70,151.38-96,807.69-38,319.46

Finding the Fourth Proportional to 70,151.38, 96,807.69 and 38,319.46

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Solution

The fourth proportional to 70,151.38, 96,807.69 and 38,319.46 is: 52,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,151.38 : 96,807.69 = 38,319.46 : x
  2. Step 2: Convert to fraction form
    70,151.38/96,807.69 = 38,319.46/x
  3. Step 3: Cross multiply
    70,151.38x = 96,807.69 × 38,319.46
  4. Step 4: Simplify right side
    70,151.38x = 3,709,618,404.65
  5. Step 5: Solve for x
    x = 3,709,618,404.65/70,151.38
  6. Step 6: Final answer
    x = 52,880.19

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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.