Home / 111,022.13-153,214.19-60,721.13

Finding the Fourth Proportional to 111,022.13, 153,214.19 and 60,721.13

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Solution

The fourth proportional to 111,022.13, 153,214.19 and 60,721.13 is: 83,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,022.13 : 153,214.19 = 60,721.13 : x
  2. Step 2: Convert to fraction form
    111,022.13/153,214.19 = 60,721.13/x
  3. Step 3: Cross multiply
    111,022.13x = 153,214.19 × 60,721.13
  4. Step 4: Simplify right side
    111,022.13x = 9,303,337,679.16
  5. Step 5: Solve for x
    x = 9,303,337,679.16/111,022.13
  6. Step 6: Final answer
    x = 83,797.15

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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.