Home / 97,139.73-145,623.15-37,961.94

Finding the Fourth Proportional to 97,139.73, 145,623.15 and 37,961.94

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Solution

The fourth proportional to 97,139.73, 145,623.15 and 37,961.94 is: 56,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,139.73 : 145,623.15 = 37,961.94 : x
  2. Step 2: Convert to fraction form
    97,139.73/145,623.15 = 37,961.94/x
  3. Step 3: Cross multiply
    97,139.73x = 145,623.15 × 37,961.94
  4. Step 4: Simplify right side
    97,139.73x = 5,528,137,282.91
  5. Step 5: Solve for x
    x = 5,528,137,282.91/97,139.73
  6. Step 6: Final answer
    x = 56,909.13

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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.