Home / 70,730.07-106,101.48-18,140.01

Finding the Fourth Proportional to 70,730.07, 106,101.48 and 18,140.01

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Solution

The fourth proportional to 70,730.07, 106,101.48 and 18,140.01 is: 27,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,730.07 : 106,101.48 = 18,140.01 : x
  2. Step 2: Convert to fraction form
    70,730.07/106,101.48 = 18,140.01/x
  3. Step 3: Cross multiply
    70,730.07x = 106,101.48 × 18,140.01
  4. Step 4: Simplify right side
    70,730.07x = 1,924,681,908.21
  5. Step 5: Solve for x
    x = 1,924,681,908.21/70,730.07
  6. Step 6: Final answer
    x = 27,211.65

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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.