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Finding the Fourth Proportional to 85,550.58, 118,054.98 and 47,307.84

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Solution

The fourth proportional to 85,550.58, 118,054.98 and 47,307.84 is: 65,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,550.58 : 118,054.98 = 47,307.84 : x
  2. Step 2: Convert to fraction form
    85,550.58/118,054.98 = 47,307.84/x
  3. Step 3: Cross multiply
    85,550.58x = 118,054.98 × 47,307.84
  4. Step 4: Simplify right side
    85,550.58x = 5,584,926,105.04
  5. Step 5: Solve for x
    x = 5,584,926,105.04/85,550.58
  6. Step 6: Final answer
    x = 65,282.15

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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.