Home / 112,388.40-155,084.76-62,084.16

Finding the Fourth Proportional to 112,388.40, 155,084.76 and 62,084.16

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Solution

The fourth proportional to 112,388.40, 155,084.76 and 62,084.16 is: 85,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,388.40 : 155,084.76 = 62,084.16 : x
  2. Step 2: Convert to fraction form
    112,388.40/155,084.76 = 62,084.16/x
  3. Step 3: Cross multiply
    112,388.40x = 155,084.76 × 62,084.16
  4. Step 4: Simplify right side
    112,388.40x = 9,628,307,053.40
  5. Step 5: Solve for x
    x = 9,628,307,053.40/112,388.40
  6. Step 6: Final answer
    x = 85,669.94

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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.