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Finding the Fourth Proportional to 73,647.77, 101,638.26 and 55,466.42

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Solution

The fourth proportional to 73,647.77, 101,638.26 and 55,466.42 is: 76,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,647.77 : 101,638.26 = 55,466.42 : x
  2. Step 2: Convert to fraction form
    73,647.77/101,638.26 = 55,466.42/x
  3. Step 3: Cross multiply
    73,647.77x = 101,638.26 × 55,466.42
  4. Step 4: Simplify right side
    73,647.77x = 5,637,510,417.23
  5. Step 5: Solve for x
    x = 5,637,510,417.23/73,647.77
  6. Step 6: Final answer
    x = 76,546.93

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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.