Home / 88,581.39-122,211.64-56,767.83

Finding the Fourth Proportional to 88,581.39, 122,211.64 and 56,767.83

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Solution

The fourth proportional to 88,581.39, 122,211.64 and 56,767.83 is: 78,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,581.39 : 122,211.64 = 56,767.83 : x
  2. Step 2: Convert to fraction form
    88,581.39/122,211.64 = 56,767.83/x
  3. Step 3: Cross multiply
    88,581.39x = 122,211.64 × 56,767.83
  4. Step 4: Simplify right side
    88,581.39x = 6,937,688,992.48
  5. Step 5: Solve for x
    x = 6,937,688,992.48/88,581.39
  6. Step 6: Final answer
    x = 78,319.94

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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.