Home / 85,061.36-117,382.68-47,334.80

Finding the Fourth Proportional to 85,061.36, 117,382.68 and 47,334.80

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Solution

The fourth proportional to 85,061.36, 117,382.68 and 47,334.80 is: 65,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,061.36 : 117,382.68 = 47,334.80 : x
  2. Step 2: Convert to fraction form
    85,061.36/117,382.68 = 47,334.80/x
  3. Step 3: Cross multiply
    85,061.36x = 117,382.68 × 47,334.80
  4. Step 4: Simplify right side
    85,061.36x = 5,556,285,681.26
  5. Step 5: Solve for x
    x = 5,556,285,681.26/85,061.36
  6. Step 6: Final answer
    x = 65,320.91

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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.