Home / 85,996.10-118,670.62-47,758.08

Finding the Fourth Proportional to 85,996.10, 118,670.62 and 47,758.08

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Solution

The fourth proportional to 85,996.10, 118,670.62 and 47,758.08 is: 65,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,996.10 : 118,670.62 = 47,758.08 : x
  2. Step 2: Convert to fraction form
    85,996.10/118,670.62 = 47,758.08/x
  3. Step 3: Cross multiply
    85,996.10x = 118,670.62 × 47,758.08
  4. Step 4: Simplify right side
    85,996.10x = 5,667,480,963.61
  5. Step 5: Solve for x
    x = 5,667,480,963.61/85,996.10
  6. Step 6: Final answer
    x = 65,903.93

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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.