Home / 90,737.47-125,199.43-53,004.43

Finding the Fourth Proportional to 90,737.47, 125,199.43 and 53,004.43

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Solution

The fourth proportional to 90,737.47, 125,199.43 and 53,004.43 is: 73,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,737.47 : 125,199.43 = 53,004.43 : x
  2. Step 2: Convert to fraction form
    90,737.47/125,199.43 = 53,004.43/x
  3. Step 3: Cross multiply
    90,737.47x = 125,199.43 × 53,004.43
  4. Step 4: Simplify right side
    90,737.47x = 6,636,124,423.47
  5. Step 5: Solve for x
    x = 6,636,124,423.47/90,737.47
  6. Step 6: Final answer
    x = 73,135.44

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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.