Home / 86,196.14-118,948.39-47,953.74

Finding the Fourth Proportional to 86,196.14, 118,948.39 and 47,953.74

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Solution

The fourth proportional to 86,196.14, 118,948.39 and 47,953.74 is: 66,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,196.14 : 118,948.39 = 47,953.74 : x
  2. Step 2: Convert to fraction form
    86,196.14/118,948.39 = 47,953.74/x
  3. Step 3: Cross multiply
    86,196.14x = 118,948.39 × 47,953.74
  4. Step 4: Simplify right side
    86,196.14x = 5,704,020,167.48
  5. Step 5: Solve for x
    x = 5,704,020,167.48/86,196.14
  6. Step 6: Final answer
    x = 66,174.89

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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.