Home / 103,292.19-154,887.12-36,722.34

Finding the Fourth Proportional to 103,292.19, 154,887.12 and 36,722.34

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Solution

The fourth proportional to 103,292.19, 154,887.12 and 36,722.34 is: 55,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,292.19 : 154,887.12 = 36,722.34 : x
  2. Step 2: Convert to fraction form
    103,292.19/154,887.12 = 36,722.34/x
  3. Step 3: Cross multiply
    103,292.19x = 154,887.12 × 36,722.34
  4. Step 4: Simplify right side
    103,292.19x = 5,687,817,482.26
  5. Step 5: Solve for x
    x = 5,687,817,482.26/103,292.19
  6. Step 6: Final answer
    x = 55,065.32

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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.