Home / 85,220.23-117,607.94-47,494.75

Finding the Fourth Proportional to 85,220.23, 117,607.94 and 47,494.75

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Solution

The fourth proportional to 85,220.23, 117,607.94 and 47,494.75 is: 65,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,220.23 : 117,607.94 = 47,494.75 : x
  2. Step 2: Convert to fraction form
    85,220.23/117,607.94 = 47,494.75/x
  3. Step 3: Cross multiply
    85,220.23x = 117,607.94 × 47,494.75
  4. Step 4: Simplify right side
    85,220.23x = 5,585,759,708.32
  5. Step 5: Solve for x
    x = 5,585,759,708.32/85,220.23
  6. Step 6: Final answer
    x = 65,545.00

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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.