Home / 86,431.26-119,307.94-58,153.34

Finding the Fourth Proportional to 86,431.26, 119,307.94 and 58,153.34

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Solution

The fourth proportional to 86,431.26, 119,307.94 and 58,153.34 is: 80,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,431.26 : 119,307.94 = 58,153.34 : x
  2. Step 2: Convert to fraction form
    86,431.26/119,307.94 = 58,153.34/x
  3. Step 3: Cross multiply
    86,431.26x = 119,307.94 × 58,153.34
  4. Step 4: Simplify right side
    86,431.26x = 6,938,155,199.52
  5. Step 5: Solve for x
    x = 6,938,155,199.52/86,431.26
  6. Step 6: Final answer
    x = 80,273.68

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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.