Home / 49,870.10-74,622.90-36,748.10

Finding the Fourth Proportional to 49,870.10, 74,622.90 and 36,748.10

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Solution

The fourth proportional to 49,870.10, 74,622.90 and 36,748.10 is: 54,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.10 : 74,622.90 = 36,748.10 : x
  2. Step 2: Convert to fraction form
    49,870.10/74,622.90 = 36,748.10/x
  3. Step 3: Cross multiply
    49,870.10x = 74,622.90 × 36,748.10
  4. Step 4: Simplify right side
    49,870.10x = 2,742,249,791.49
  5. Step 5: Solve for x
    x = 2,742,249,791.49/49,870.10
  6. Step 6: Final answer
    x = 54,987.85

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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.