Home / 70,151.24-96,807.12-38,320.28

Finding the Fourth Proportional to 70,151.24, 96,807.12 and 38,320.28

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Solution

The fourth proportional to 70,151.24, 96,807.12 and 38,320.28 is: 52,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,151.24 : 96,807.12 = 38,320.28 : x
  2. Step 2: Convert to fraction form
    70,151.24/96,807.12 = 38,320.28/x
  3. Step 3: Cross multiply
    70,151.24x = 96,807.12 × 38,320.28
  4. Step 4: Simplify right side
    70,151.24x = 3,709,675,944.39
  5. Step 5: Solve for x
    x = 3,709,675,944.39/70,151.24
  6. Step 6: Final answer
    x = 52,881.12

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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.