Home / 64,865.51-89,514.52-36,187.05

Finding the Fourth Proportional to 64,865.51, 89,514.52 and 36,187.05

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Solution

The fourth proportional to 64,865.51, 89,514.52 and 36,187.05 is: 49,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,865.51 : 89,514.52 = 36,187.05 : x
  2. Step 2: Convert to fraction form
    64,865.51/89,514.52 = 36,187.05/x
  3. Step 3: Cross multiply
    64,865.51x = 89,514.52 × 36,187.05
  4. Step 4: Simplify right side
    64,865.51x = 3,239,266,656.18
  5. Step 5: Solve for x
    x = 3,239,266,656.18/64,865.51
  6. Step 6: Final answer
    x = 49,938.20

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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.