Home / 89,322.03-133,807.89-51,803.31

Finding the Fourth Proportional to 89,322.03, 133,807.89 and 51,803.31

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Solution

The fourth proportional to 89,322.03, 133,807.89 and 51,803.31 is: 77,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,322.03 : 133,807.89 = 51,803.31 : x
  2. Step 2: Convert to fraction form
    89,322.03/133,807.89 = 51,803.31/x
  3. Step 3: Cross multiply
    89,322.03x = 133,807.89 × 51,803.31
  4. Step 4: Simplify right side
    89,322.03x = 6,931,691,701.23
  5. Step 5: Solve for x
    x = 6,931,691,701.23/89,322.03
  6. Step 6: Final answer
    x = 77,603.38

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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.