Home / 49,426.20-74,312.10-48,389.40

Finding the Fourth Proportional to 49,426.20, 74,312.10 and 48,389.40

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Solution

The fourth proportional to 49,426.20, 74,312.10 and 48,389.40 is: 72,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,426.20 : 74,312.10 = 48,389.40 : x
  2. Step 2: Convert to fraction form
    49,426.20/74,312.10 = 48,389.40/x
  3. Step 3: Cross multiply
    49,426.20x = 74,312.10 × 48,389.40
  4. Step 4: Simplify right side
    49,426.20x = 3,595,917,931.74
  5. Step 5: Solve for x
    x = 3,595,917,931.74/49,426.20
  6. Step 6: Final answer
    x = 72,753.28

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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.