Home / 111,064.23-153,268.21-60,077.11

Finding the Fourth Proportional to 111,064.23, 153,268.21 and 60,077.11

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Solution

The fourth proportional to 111,064.23, 153,268.21 and 60,077.11 is: 82,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,064.23 : 153,268.21 = 60,077.11 : x
  2. Step 2: Convert to fraction form
    111,064.23/153,268.21 = 60,077.11/x
  3. Step 3: Cross multiply
    111,064.23x = 153,268.21 × 60,077.11
  4. Step 4: Simplify right side
    111,064.23x = 9,207,911,111.67
  5. Step 5: Solve for x
    x = 9,207,911,111.67/111,064.23
  6. Step 6: Final answer
    x = 82,906.18

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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.