Home / 109,320.57-150,858.45-61,578.36

Finding the Fourth Proportional to 109,320.57, 150,858.45 and 61,578.36

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Solution

The fourth proportional to 109,320.57, 150,858.45 and 61,578.36 is: 84,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,320.57 : 150,858.45 = 61,578.36 : x
  2. Step 2: Convert to fraction form
    109,320.57/150,858.45 = 61,578.36/x
  3. Step 3: Cross multiply
    109,320.57x = 150,858.45 × 61,578.36
  4. Step 4: Simplify right side
    109,320.57x = 9,289,615,943.14
  5. Step 5: Solve for x
    x = 9,289,615,943.14/109,320.57
  6. Step 6: Final answer
    x = 84,975.92

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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.