Home / 88,580.07-122,209.83-56,766.51

Finding the Fourth Proportional to 88,580.07, 122,209.83 and 56,766.51

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Solution

The fourth proportional to 88,580.07, 122,209.83 and 56,766.51 is: 78,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,580.07 : 122,209.83 = 56,766.51 : x
  2. Step 2: Convert to fraction form
    88,580.07/122,209.83 = 56,766.51/x
  3. Step 3: Cross multiply
    88,580.07x = 122,209.83 × 56,766.51
  4. Step 4: Simplify right side
    88,580.07x = 6,937,425,536.79
  5. Step 5: Solve for x
    x = 6,937,425,536.79/88,580.07
  6. Step 6: Final answer
    x = 78,318.13

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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.