Home / 70,237.22-105,347.72-17,642.70

Finding the Fourth Proportional to 70,237.22, 105,347.72 and 17,642.70

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Solution

The fourth proportional to 70,237.22, 105,347.72 and 17,642.70 is: 26,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,237.22 : 105,347.72 = 17,642.70 : x
  2. Step 2: Convert to fraction form
    70,237.22/105,347.72 = 17,642.70/x
  3. Step 3: Cross multiply
    70,237.22x = 105,347.72 × 17,642.70
  4. Step 4: Simplify right side
    70,237.22x = 1,858,618,219.64
  5. Step 5: Solve for x
    x = 1,858,618,219.64/70,237.22
  6. Step 6: Final answer
    x = 26,462.01

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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.