Home / 64,857.15-89,501.04-36,177.66

Finding the Fourth Proportional to 64,857.15, 89,501.04 and 36,177.66

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Solution

The fourth proportional to 64,857.15, 89,501.04 and 36,177.66 is: 49,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,857.15 : 89,501.04 = 36,177.66 : x
  2. Step 2: Convert to fraction form
    64,857.15/89,501.04 = 36,177.66/x
  3. Step 3: Cross multiply
    64,857.15x = 89,501.04 × 36,177.66
  4. Step 4: Simplify right side
    64,857.15x = 3,237,938,194.77
  5. Step 5: Solve for x
    x = 3,237,938,194.77/64,857.15
  6. Step 6: Final answer
    x = 49,924.15

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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.