Home / 64,772.07-89,384.02-36,091.72

Finding the Fourth Proportional to 64,772.07, 89,384.02 and 36,091.72

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Solution

The fourth proportional to 64,772.07, 89,384.02 and 36,091.72 is: 49,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,772.07 : 89,384.02 = 36,091.72 : x
  2. Step 2: Convert to fraction form
    64,772.07/89,384.02 = 36,091.72/x
  3. Step 3: Cross multiply
    64,772.07x = 89,384.02 × 36,091.72
  4. Step 4: Simplify right side
    64,772.07x = 3,226,023,022.31
  5. Step 5: Solve for x
    x = 3,226,023,022.31/64,772.07
  6. Step 6: Final answer
    x = 49,805.77

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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.