Home / 64,827.07-89,257.77-55,117.43

Finding the Fourth Proportional to 64,827.07, 89,257.77 and 55,117.43

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Solution

The fourth proportional to 64,827.07, 89,257.77 and 55,117.43 is: 75,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,827.07 : 89,257.77 = 55,117.43 : x
  2. Step 2: Convert to fraction form
    64,827.07/89,257.77 = 55,117.43/x
  3. Step 3: Cross multiply
    64,827.07x = 89,257.77 × 55,117.43
  4. Step 4: Simplify right side
    64,827.07x = 4,919,659,319.77
  5. Step 5: Solve for x
    x = 4,919,659,319.77/64,827.07
  6. Step 6: Final answer
    x = 75,888.96

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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.