Home / 112,727.10-155,862.48-98,539.24

Finding the Fourth Proportional to 112,727.10, 155,862.48 and 98,539.24

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Solution

The fourth proportional to 112,727.10, 155,862.48 and 98,539.24 is: 136,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,727.10 : 155,862.48 = 98,539.24 : x
  2. Step 2: Convert to fraction form
    112,727.10/155,862.48 = 98,539.24/x
  3. Step 3: Cross multiply
    112,727.10x = 155,862.48 × 98,539.24
  4. Step 4: Simplify right side
    112,727.10x = 15,358,570,323.72
  5. Step 5: Solve for x
    x = 15,358,570,323.72/112,727.10
  6. Step 6: Final answer
    x = 136,245.59

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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.