Home / 64,855.05-89,502.47-36,560.13

Finding the Fourth Proportional to 64,855.05, 89,502.47 and 36,560.13

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Solution

The fourth proportional to 64,855.05, 89,502.47 and 36,560.13 is: 50,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,855.05 : 89,502.47 = 36,560.13 : x
  2. Step 2: Convert to fraction form
    64,855.05/89,502.47 = 36,560.13/x
  3. Step 3: Cross multiply
    64,855.05x = 89,502.47 × 36,560.13
  4. Step 4: Simplify right side
    64,855.05x = 3,272,221,938.52
  5. Step 5: Solve for x
    x = 3,272,221,938.52/64,855.05
  6. Step 6: Final answer
    x = 50,454.39

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1.5x scale

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.