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Finding the Fourth Proportional to 64,263.86, 88,683.21 and 35,580.77

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Solution

The fourth proportional to 64,263.86, 88,683.21 and 35,580.77 is: 49,100.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,263.86 : 88,683.21 = 35,580.77 : x
  2. Step 2: Convert to fraction form
    64,263.86/88,683.21 = 35,580.77/x
  3. Step 3: Cross multiply
    64,263.86x = 88,683.21 × 35,580.77
  4. Step 4: Simplify right side
    64,263.86x = 3,155,416,897.87
  5. Step 5: Solve for x
    x = 3,155,416,897.87/64,263.86
  6. Step 6: Final answer
    x = 49,100.95

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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.