Home / 77,207.04-116,004.16-49,139.20

Finding the Fourth Proportional to 77,207.04, 116,004.16 and 49,139.20

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Solution

The fourth proportional to 77,207.04, 116,004.16 and 49,139.20 is: 73,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,207.04 : 116,004.16 = 49,139.20 : x
  2. Step 2: Convert to fraction form
    77,207.04/116,004.16 = 49,139.20/x
  3. Step 3: Cross multiply
    77,207.04x = 116,004.16 × 49,139.20
  4. Step 4: Simplify right side
    77,207.04x = 5,700,351,619.07
  5. Step 5: Solve for x
    x = 5,700,351,619.07/77,207.04
  6. Step 6: Final answer
    x = 73,832.02

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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.