Home / 53,328.16-79,871.95-41,386.53

Finding the Fourth Proportional to 53,328.16, 79,871.95 and 41,386.53

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Solution

The fourth proportional to 53,328.16, 79,871.95 and 41,386.53 is: 61,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,328.16 : 79,871.95 = 41,386.53 : x
  2. Step 2: Convert to fraction form
    53,328.16/79,871.95 = 41,386.53/x
  3. Step 3: Cross multiply
    53,328.16x = 79,871.95 × 41,386.53
  4. Step 4: Simplify right side
    53,328.16x = 3,305,622,854.83
  5. Step 5: Solve for x
    x = 3,305,622,854.83/53,328.16
  6. Step 6: Final answer
    x = 61,986.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.