Home / 101,460.16-152,209.40-31,323.12

Finding the Fourth Proportional to 101,460.16, 152,209.40 and 31,323.12

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Solution

The fourth proportional to 101,460.16, 152,209.40 and 31,323.12 is: 46,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,460.16 : 152,209.40 = 31,323.12 : x
  2. Step 2: Convert to fraction form
    101,460.16/152,209.40 = 31,323.12/x
  3. Step 3: Cross multiply
    101,460.16x = 152,209.40 × 31,323.12
  4. Step 4: Simplify right side
    101,460.16x = 4,767,673,301.33
  5. Step 5: Solve for x
    x = 4,767,673,301.33/101,460.16
  6. Step 6: Final answer
    x = 46,990.60

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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.