Home / 61,087.17-84,250.31-42,997.77

Finding the Fourth Proportional to 61,087.17, 84,250.31 and 42,997.77

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Solution

The fourth proportional to 61,087.17, 84,250.31 and 42,997.77 is: 59,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,087.17 : 84,250.31 = 42,997.77 : x
  2. Step 2: Convert to fraction form
    61,087.17/84,250.31 = 42,997.77/x
  3. Step 3: Cross multiply
    61,087.17x = 84,250.31 × 42,997.77
  4. Step 4: Simplify right side
    61,087.17x = 3,622,575,554.94
  5. Step 5: Solve for x
    x = 3,622,575,554.94/61,087.17
  6. Step 6: Final answer
    x = 59,301.74

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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.