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Finding the Fourth Proportional to 61,898.94, 92,643.03 and 56,365.02

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Solution

The fourth proportional to 61,898.94, 92,643.03 and 56,365.02 is: 84,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,898.94 : 92,643.03 = 56,365.02 : x
  2. Step 2: Convert to fraction form
    61,898.94/92,643.03 = 56,365.02/x
  3. Step 3: Cross multiply
    61,898.94x = 92,643.03 × 56,365.02
  4. Step 4: Simplify right side
    61,898.94x = 5,221,826,238.81
  5. Step 5: Solve for x
    x = 5,221,826,238.81/61,898.94
  6. Step 6: Final answer
    x = 84,360.51

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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.