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Finding the Fourth Proportional to 61,417.48, 92,005.26 and 57,097.48

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Solution

The fourth proportional to 61,417.48, 92,005.26 and 57,097.48 is: 85,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,417.48 : 92,005.26 = 57,097.48 : x
  2. Step 2: Convert to fraction form
    61,417.48/92,005.26 = 57,097.48/x
  3. Step 3: Cross multiply
    61,417.48x = 92,005.26 × 57,097.48
  4. Step 4: Simplify right side
    61,417.48x = 5,253,268,492.74
  5. Step 5: Solve for x
    x = 5,253,268,492.74/61,417.48
  6. Step 6: Final answer
    x = 85,533.77

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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.