Home / 86,152.40-118,890.38-47,911.11

Finding the Fourth Proportional to 86,152.40, 118,890.38 and 47,911.11

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Solution

The fourth proportional to 86,152.40, 118,890.38 and 47,911.11 is: 66,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,152.40 : 118,890.38 = 47,911.11 : x
  2. Step 2: Convert to fraction form
    86,152.40/118,890.38 = 47,911.11/x
  3. Step 3: Cross multiply
    86,152.40x = 118,890.38 × 47,911.11
  4. Step 4: Simplify right side
    86,152.40x = 5,696,169,834.57
  5. Step 5: Solve for x
    x = 5,696,169,834.57/86,152.40
  6. Step 6: Final answer
    x = 66,117.37

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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.