Home / 49,634.40-74,455.20-29,870.40

Finding the Fourth Proportional to 49,634.40, 74,455.20 and 29,870.40

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Solution

The fourth proportional to 49,634.40, 74,455.20 and 29,870.40 is: 44,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,634.40 : 74,455.20 = 29,870.40 : x
  2. Step 2: Convert to fraction form
    49,634.40/74,455.20 = 29,870.40/x
  3. Step 3: Cross multiply
    49,634.40x = 74,455.20 × 29,870.40
  4. Step 4: Simplify right side
    49,634.40x = 2,224,006,606.08
  5. Step 5: Solve for x
    x = 2,224,006,606.08/49,634.40
  6. Step 6: Final answer
    x = 44,807.77

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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.