Home / 101,279.04-151,599.63-69,503.31

Finding the Fourth Proportional to 101,279.04, 151,599.63 and 69,503.31

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Solution

The fourth proportional to 101,279.04, 151,599.63 and 69,503.31 is: 104,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,279.04 : 151,599.63 = 69,503.31 : x
  2. Step 2: Convert to fraction form
    101,279.04/151,599.63 = 69,503.31/x
  3. Step 3: Cross multiply
    101,279.04x = 151,599.63 × 69,503.31
  4. Step 4: Simplify right side
    101,279.04x = 10,536,676,079.78
  5. Step 5: Solve for x
    x = 10,536,676,079.78/101,279.04
  6. Step 6: Final answer
    x = 104,036.10

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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.