Home / 64,895.29-89,561.77-39,395.75

Finding the Fourth Proportional to 64,895.29, 89,561.77 and 39,395.75

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Solution

The fourth proportional to 64,895.29, 89,561.77 and 39,395.75 is: 54,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,895.29 : 89,561.77 = 39,395.75 : x
  2. Step 2: Convert to fraction form
    64,895.29/89,561.77 = 39,395.75/x
  3. Step 3: Cross multiply
    64,895.29x = 89,561.77 × 39,395.75
  4. Step 4: Simplify right side
    64,895.29x = 3,528,352,554.18
  5. Step 5: Solve for x
    x = 3,528,352,554.18/64,895.29
  6. Step 6: Final answer
    x = 54,369.93

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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.