Home / 61,254.78-84,555-59,569.44

Finding the Fourth Proportional to 61,254.78, 84,555 and 59,569.44

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Solution

The fourth proportional to 61,254.78, 84,555 and 59,569.44 is: 82,228.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,254.78 : 84,555 = 59,569.44 : x
  2. Step 2: Convert to fraction form
    61,254.78/84,555 = 59,569.44/x
  3. Step 3: Cross multiply
    61,254.78x = 84,555 × 59,569.44
  4. Step 4: Simplify right side
    61,254.78x = 5,036,893,999.20
  5. Step 5: Solve for x
    x = 5,036,893,999.20/61,254.78
  6. Step 6: Final answer
    x = 82,228.59

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1.5x scale

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.