Home / 109,941.30-151,719.28-59,640.30

Finding the Fourth Proportional to 109,941.30, 151,719.28 and 59,640.30

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Solution

The fourth proportional to 109,941.30, 151,719.28 and 59,640.30 is: 82,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,941.30 : 151,719.28 = 59,640.30 : x
  2. Step 2: Convert to fraction form
    109,941.30/151,719.28 = 59,640.30/x
  3. Step 3: Cross multiply
    109,941.30x = 151,719.28 × 59,640.30
  4. Step 4: Simplify right side
    109,941.30x = 9,048,583,050.78
  5. Step 5: Solve for x
    x = 9,048,583,050.78/109,941.30
  6. Step 6: Final answer
    x = 82,303.77

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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.