Home / 89,218.76-133,686.12-47,097.32

Finding the Fourth Proportional to 89,218.76, 133,686.12 and 47,097.32

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Solution

The fourth proportional to 89,218.76, 133,686.12 and 47,097.32 is: 70,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,218.76 : 133,686.12 = 47,097.32 : x
  2. Step 2: Convert to fraction form
    89,218.76/133,686.12 = 47,097.32/x
  3. Step 3: Cross multiply
    89,218.76x = 133,686.12 × 47,097.32
  4. Step 4: Simplify right side
    89,218.76x = 6,296,257,973.20
  5. Step 5: Solve for x
    x = 6,296,257,973.20/89,218.76
  6. Step 6: Final answer
    x = 70,571.01

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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.