Home / 109,941.39-151,719.40-59,640.39

Finding the Fourth Proportional to 109,941.39, 151,719.40 and 59,640.39

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Solution

The fourth proportional to 109,941.39, 151,719.40 and 59,640.39 is: 82,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,941.39 : 151,719.40 = 59,640.39 : x
  2. Step 2: Convert to fraction form
    109,941.39/151,719.40 = 59,640.39/x
  3. Step 3: Cross multiply
    109,941.39x = 151,719.40 × 59,640.39
  4. Step 4: Simplify right side
    109,941.39x = 9,048,604,186.57
  5. Step 5: Solve for x
    x = 9,048,604,186.57/109,941.39
  6. Step 6: Final answer
    x = 82,303.89

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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.