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Finding the Fourth Proportional to 61,137.93, 84,385.35 and 37,277.76

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Solution

The fourth proportional to 61,137.93, 84,385.35 and 37,277.76 is: 51,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,137.93 : 84,385.35 = 37,277.76 : x
  2. Step 2: Convert to fraction form
    61,137.93/84,385.35 = 37,277.76/x
  3. Step 3: Cross multiply
    61,137.93x = 84,385.35 × 37,277.76
  4. Step 4: Simplify right side
    61,137.93x = 3,145,696,824.82
  5. Step 5: Solve for x
    x = 3,145,696,824.82/61,137.93
  6. Step 6: Final answer
    x = 51,452.46

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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.