Home / 60,011.28-90,020.16-52,047.36

Finding the Fourth Proportional to 60,011.28, 90,020.16 and 52,047.36

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Solution

The fourth proportional to 60,011.28, 90,020.16 and 52,047.36 is: 78,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,011.28 : 90,020.16 = 52,047.36 : x
  2. Step 2: Convert to fraction form
    60,011.28/90,020.16 = 52,047.36/x
  3. Step 3: Cross multiply
    60,011.28x = 90,020.16 × 52,047.36
  4. Step 4: Simplify right side
    60,011.28x = 4,685,311,674.78
  5. Step 5: Solve for x
    x = 4,685,311,674.78/60,011.28
  6. Step 6: Final answer
    x = 78,073.85

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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.