Home / 89,985.08-124,232.46-61,732.28

Finding the Fourth Proportional to 89,985.08, 124,232.46 and 61,732.28

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Solution

The fourth proportional to 89,985.08, 124,232.46 and 61,732.28 is: 85,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,985.08 : 124,232.46 = 61,732.28 : x
  2. Step 2: Convert to fraction form
    89,985.08/124,232.46 = 61,732.28/x
  3. Step 3: Cross multiply
    89,985.08x = 124,232.46 × 61,732.28
  4. Step 4: Simplify right side
    89,985.08x = 7,669,153,005.81
  5. Step 5: Solve for x
    x = 7,669,153,005.81/89,985.08
  6. Step 6: Final answer
    x = 85,226.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.