Home / 112,717.50-155,561.49-62,416.50

Finding the Fourth Proportional to 112,717.50, 155,561.49 and 62,416.50

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Solution

The fourth proportional to 112,717.50, 155,561.49 and 62,416.50 is: 86,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,717.50 : 155,561.49 = 62,416.50 : x
  2. Step 2: Convert to fraction form
    112,717.50/155,561.49 = 62,416.50/x
  3. Step 3: Cross multiply
    112,717.50x = 155,561.49 × 62,416.50
  4. Step 4: Simplify right side
    112,717.50x = 9,709,603,740.59
  5. Step 5: Solve for x
    x = 9,709,603,740.59/112,717.50
  6. Step 6: Final answer
    x = 86,141.05

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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.