Home / 53,421.72-73,737.30-35,285.70

Finding the Fourth Proportional to 53,421.72, 73,737.30 and 35,285.70

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Solution

The fourth proportional to 53,421.72, 73,737.30 and 35,285.70 is: 48,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,421.72 : 73,737.30 = 35,285.70 : x
  2. Step 2: Convert to fraction form
    53,421.72/73,737.30 = 35,285.70/x
  3. Step 3: Cross multiply
    53,421.72x = 73,737.30 × 35,285.70
  4. Step 4: Simplify right side
    53,421.72x = 2,601,872,246.61
  5. Step 5: Solve for x
    x = 2,601,872,246.61/53,421.72
  6. Step 6: Final answer
    x = 48,704.39

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1.5x scale

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.