Home / 91,002.15-125,585.64-50,719.23

Finding the Fourth Proportional to 91,002.15, 125,585.64 and 50,719.23

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Solution

The fourth proportional to 91,002.15, 125,585.64 and 50,719.23 is: 69,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,002.15 : 125,585.64 = 50,719.23 : x
  2. Step 2: Convert to fraction form
    91,002.15/125,585.64 = 50,719.23/x
  3. Step 3: Cross multiply
    91,002.15x = 125,585.64 × 50,719.23
  4. Step 4: Simplify right side
    91,002.15x = 6,369,606,959.86
  5. Step 5: Solve for x
    x = 6,369,606,959.86/91,002.15
  6. Step 6: Final answer
    x = 69,994.03

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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.