Home / 85,048.10-117,366.49-47,322.35

Finding the Fourth Proportional to 85,048.10, 117,366.49 and 47,322.35

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Solution

The fourth proportional to 85,048.10, 117,366.49 and 47,322.35 is: 65,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,048.10 : 117,366.49 = 47,322.35 : x
  2. Step 2: Convert to fraction form
    85,048.10/117,366.49 = 47,322.35/x
  3. Step 3: Cross multiply
    85,048.10x = 117,366.49 × 47,322.35
  4. Step 4: Simplify right side
    85,048.10x = 5,554,058,493.68
  5. Step 5: Solve for x
    x = 5,554,058,493.68/85,048.10
  6. Step 6: Final answer
    x = 65,304.91

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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.