Home / 85,376.39-117,816.37-47,135.16

Finding the Fourth Proportional to 85,376.39, 117,816.37 and 47,135.16

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Solution

The fourth proportional to 85,376.39, 117,816.37 and 47,135.16 is: 65,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,376.39 : 117,816.37 = 47,135.16 : x
  2. Step 2: Convert to fraction form
    85,376.39/117,816.37 = 47,135.16/x
  3. Step 3: Cross multiply
    85,376.39x = 117,816.37 × 47,135.16
  4. Step 4: Simplify right side
    85,376.39x = 5,553,293,509.49
  5. Step 5: Solve for x
    x = 5,553,293,509.49/85,376.39
  6. Step 6: Final answer
    x = 65,044.84

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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.