Home / 120,662.48-181,099.32-64,547.28

Finding the Fourth Proportional to 120,662.48, 181,099.32 and 64,547.28

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Solution

The fourth proportional to 120,662.48, 181,099.32 and 64,547.28 is: 96,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,662.48 : 181,099.32 = 64,547.28 : x
  2. Step 2: Convert to fraction form
    120,662.48/181,099.32 = 64,547.28/x
  3. Step 3: Cross multiply
    120,662.48x = 181,099.32 × 64,547.28
  4. Step 4: Simplify right side
    120,662.48x = 11,689,468,515.85
  5. Step 5: Solve for x
    x = 11,689,468,515.85/120,662.48
  6. Step 6: Final answer
    x = 96,877.41

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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.