Home / 61,935.40-85,478.22-36,784.96

Finding the Fourth Proportional to 61,935.40, 85,478.22 and 36,784.96

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Solution

The fourth proportional to 61,935.40, 85,478.22 and 36,784.96 is: 50,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,935.40 : 85,478.22 = 36,784.96 : x
  2. Step 2: Convert to fraction form
    61,935.40/85,478.22 = 36,784.96/x
  3. Step 3: Cross multiply
    61,935.40x = 85,478.22 × 36,784.96
  4. Step 4: Simplify right side
    61,935.40x = 3,144,312,903.57
  5. Step 5: Solve for x
    x = 3,144,312,903.57/61,935.40
  6. Step 6: Final answer
    x = 50,767.62

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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.