Home / 94,775.06-142,112.91-47,339.30

Finding the Fourth Proportional to 94,775.06, 142,112.91 and 47,339.30

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Solution

The fourth proportional to 94,775.06, 142,112.91 and 47,339.30 is: 70,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,775.06 : 142,112.91 = 47,339.30 : x
  2. Step 2: Convert to fraction form
    94,775.06/142,112.91 = 47,339.30/x
  3. Step 3: Cross multiply
    94,775.06x = 142,112.91 × 47,339.30
  4. Step 4: Simplify right side
    94,775.06x = 6,727,525,680.36
  5. Step 5: Solve for x
    x = 6,727,525,680.36/94,775.06
  6. Step 6: Final answer
    x = 70,984.14

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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.