Home / 61,056.61-91,598.08-18,935.85

Finding the Fourth Proportional to 61,056.61, 91,598.08 and 18,935.85

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Solution

The fourth proportional to 61,056.61, 91,598.08 and 18,935.85 is: 28,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,056.61 : 91,598.08 = 18,935.85 : x
  2. Step 2: Convert to fraction form
    61,056.61/91,598.08 = 18,935.85/x
  3. Step 3: Cross multiply
    61,056.61x = 91,598.08 × 18,935.85
  4. Step 4: Simplify right side
    61,056.61x = 1,734,487,503.17
  5. Step 5: Solve for x
    x = 1,734,487,503.17/61,056.61
  6. Step 6: Final answer
    x = 28,407.86

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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.