Home / 111,519.72-153,894.78-60,532.55

Finding the Fourth Proportional to 111,519.72, 153,894.78 and 60,532.55

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Solution

The fourth proportional to 111,519.72, 153,894.78 and 60,532.55 is: 83,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,519.72 : 153,894.78 = 60,532.55 : x
  2. Step 2: Convert to fraction form
    111,519.72/153,894.78 = 60,532.55/x
  3. Step 3: Cross multiply
    111,519.72x = 153,894.78 × 60,532.55
  4. Step 4: Simplify right side
    111,519.72x = 9,315,643,465.09
  5. Step 5: Solve for x
    x = 9,315,643,465.09/111,519.72
  6. Step 6: Final answer
    x = 83,533.60

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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.