Home / 60,313.36-90,470.04-18,760.36

Finding the Fourth Proportional to 60,313.36, 90,470.04 and 18,760.36

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Solution

The fourth proportional to 60,313.36, 90,470.04 and 18,760.36 is: 28,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,313.36 : 90,470.04 = 18,760.36 : x
  2. Step 2: Convert to fraction form
    60,313.36/90,470.04 = 18,760.36/x
  3. Step 3: Cross multiply
    60,313.36x = 90,470.04 × 18,760.36
  4. Step 4: Simplify right side
    60,313.36x = 1,697,250,445.48
  5. Step 5: Solve for x
    x = 1,697,250,445.48/60,313.36
  6. Step 6: Final answer
    x = 28,140.54

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1.5x scale

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.