Home / 70,743.11-106,090.04-26,345.63

Finding the Fourth Proportional to 70,743.11, 106,090.04 and 26,345.63

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Solution

The fourth proportional to 70,743.11, 106,090.04 and 26,345.63 is: 39,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,743.11 : 106,090.04 = 26,345.63 : x
  2. Step 2: Convert to fraction form
    70,743.11/106,090.04 = 26,345.63/x
  3. Step 3: Cross multiply
    70,743.11x = 106,090.04 × 26,345.63
  4. Step 4: Simplify right side
    70,743.11x = 2,795,009,271.61
  5. Step 5: Solve for x
    x = 2,795,009,271.61/70,743.11
  6. Step 6: Final answer
    x = 39,509.28

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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.