Home / 86,084.74-128,886.54-46,500.04

Finding the Fourth Proportional to 86,084.74, 128,886.54 and 46,500.04

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Solution

The fourth proportional to 86,084.74, 128,886.54 and 46,500.04 is: 69,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,084.74 : 128,886.54 = 46,500.04 : x
  2. Step 2: Convert to fraction form
    86,084.74/128,886.54 = 46,500.04/x
  3. Step 3: Cross multiply
    86,084.74x = 128,886.54 × 46,500.04
  4. Step 4: Simplify right side
    86,084.74x = 5,993,229,265.46
  5. Step 5: Solve for x
    x = 5,993,229,265.46/86,084.74
  6. Step 6: Final answer
    x = 69,620.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.