Home / 86,930.15-119,955.53-49,204.40

Finding the Fourth Proportional to 86,930.15, 119,955.53 and 49,204.40

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Solution

The fourth proportional to 86,930.15, 119,955.53 and 49,204.40 is: 67,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,930.15 : 119,955.53 = 49,204.40 : x
  2. Step 2: Convert to fraction form
    86,930.15/119,955.53 = 49,204.40/x
  3. Step 3: Cross multiply
    86,930.15x = 119,955.53 × 49,204.40
  4. Step 4: Simplify right side
    86,930.15x = 5,902,339,403.57
  5. Step 5: Solve for x
    x = 5,902,339,403.57/86,930.15
  6. Step 6: Final answer
    x = 67,897.50

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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.