Home / 112,579.93-155,358.16-62,278.93

Finding the Fourth Proportional to 112,579.93, 155,358.16 and 62,278.93

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Solution

The fourth proportional to 112,579.93, 155,358.16 and 62,278.93 is: 85,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,579.93 : 155,358.16 = 62,278.93 : x
  2. Step 2: Convert to fraction form
    112,579.93/155,358.16 = 62,278.93/x
  3. Step 3: Cross multiply
    112,579.93x = 155,358.16 × 62,278.93
  4. Step 4: Simplify right side
    112,579.93x = 9,675,539,971.57
  5. Step 5: Solve for x
    x = 9,675,539,971.57/112,579.93
  6. Step 6: Final answer
    x = 85,943.74

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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.