Home / 85,590.84-118,121.58-47,877.24

Finding the Fourth Proportional to 85,590.84, 118,121.58 and 47,877.24

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Solution

The fourth proportional to 85,590.84, 118,121.58 and 47,877.24 is: 66,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,590.84 : 118,121.58 = 47,877.24 : x
  2. Step 2: Convert to fraction form
    85,590.84/118,121.58 = 47,877.24/x
  3. Step 3: Cross multiply
    85,590.84x = 118,121.58 × 47,877.24
  4. Step 4: Simplify right side
    85,590.84x = 5,655,335,234.84
  5. Step 5: Solve for x
    x = 5,655,335,234.84/85,590.84
  6. Step 6: Final answer
    x = 66,074.07

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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.