Home / 111,417.03-153,754.70-60,429.60

Finding the Fourth Proportional to 111,417.03, 153,754.70 and 60,429.60

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Solution

The fourth proportional to 111,417.03, 153,754.70 and 60,429.60 is: 83,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,417.03 : 153,754.70 = 60,429.60 : x
  2. Step 2: Convert to fraction form
    111,417.03/153,754.70 = 60,429.60/x
  3. Step 3: Cross multiply
    111,417.03x = 153,754.70 × 60,429.60
  4. Step 4: Simplify right side
    111,417.03x = 9,291,334,716.97
  5. Step 5: Solve for x
    x = 9,291,334,716.97/111,417.03
  6. Step 6: Final answer
    x = 83,392.41

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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.