Home / 56,877.48-78,489.54-33,006.12

Finding the Fourth Proportional to 56,877.48, 78,489.54 and 33,006.12

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Solution

The fourth proportional to 56,877.48, 78,489.54 and 33,006.12 is: 45,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,877.48 : 78,489.54 = 33,006.12 : x
  2. Step 2: Convert to fraction form
    56,877.48/78,489.54 = 33,006.12/x
  3. Step 3: Cross multiply
    56,877.48x = 78,489.54 × 33,006.12
  4. Step 4: Simplify right side
    56,877.48x = 2,590,635,175.98
  5. Step 5: Solve for x
    x = 2,590,635,175.98/56,877.48
  6. Step 6: Final answer
    x = 45,547.64

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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.