Home / 49,113.60-73,756.80-47,558.40

Finding the Fourth Proportional to 49,113.60, 73,756.80 and 47,558.40

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Solution

The fourth proportional to 49,113.60, 73,756.80 and 47,558.40 is: 71,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,113.60 : 73,756.80 = 47,558.40 : x
  2. Step 2: Convert to fraction form
    49,113.60/73,756.80 = 47,558.40/x
  3. Step 3: Cross multiply
    49,113.60x = 73,756.80 × 47,558.40
  4. Step 4: Simplify right side
    49,113.60x = 3,507,755,397.12
  5. Step 5: Solve for x
    x = 3,507,755,397.12/49,113.60
  6. Step 6: Final answer
    x = 71,421.26

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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.