Home / 56,353.60-77,632.64-47,401.28

Finding the Fourth Proportional to 56,353.60, 77,632.64 and 47,401.28

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Solution

The fourth proportional to 56,353.60, 77,632.64 and 47,401.28 is: 65,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,353.60 : 77,632.64 = 47,401.28 : x
  2. Step 2: Convert to fraction form
    56,353.60/77,632.64 = 47,401.28/x
  3. Step 3: Cross multiply
    56,353.60x = 77,632.64 × 47,401.28
  4. Step 4: Simplify right side
    56,353.60x = 3,679,886,505.78
  5. Step 5: Solve for x
    x = 3,679,886,505.78/56,353.60
  6. Step 6: Final answer
    x = 65,299.94

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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.