Home / 94,722.10-130,707.20-52,277.90

Finding the Fourth Proportional to 94,722.10, 130,707.20 and 52,277.90

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Solution

The fourth proportional to 94,722.10, 130,707.20 and 52,277.90 is: 72,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,722.10 : 130,707.20 = 52,277.90 : x
  2. Step 2: Convert to fraction form
    94,722.10/130,707.20 = 52,277.90/x
  3. Step 3: Cross multiply
    94,722.10x = 130,707.20 × 52,277.90
  4. Step 4: Simplify right side
    94,722.10x = 6,833,097,669.49
  5. Step 5: Solve for x
    x = 6,833,097,669.49/94,722.10
  6. Step 6: Final answer
    x = 72,138.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.