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Finding the Fourth Proportional to 61,899.94, 92,644.53 and 56,366.02

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Solution

The fourth proportional to 61,899.94, 92,644.53 and 56,366.02 is: 84,362.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,899.94 : 92,644.53 = 56,366.02 : x
  2. Step 2: Convert to fraction form
    61,899.94/92,644.53 = 56,366.02/x
  3. Step 3: Cross multiply
    61,899.94x = 92,644.53 × 56,366.02
  4. Step 4: Simplify right side
    61,899.94x = 5,222,003,430.87
  5. Step 5: Solve for x
    x = 5,222,003,430.87/61,899.94
  6. Step 6: Final answer
    x = 84,362.01

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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.