Home / 60,720.54-90,470.30-57,325.22

Finding the Fourth Proportional to 60,720.54, 90,470.30 and 57,325.22

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Solution

The fourth proportional to 60,720.54, 90,470.30 and 57,325.22 is: 85,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720.54 : 90,470.30 = 57,325.22 : x
  2. Step 2: Convert to fraction form
    60,720.54/90,470.30 = 57,325.22/x
  3. Step 3: Cross multiply
    60,720.54x = 90,470.30 × 57,325.22
  4. Step 4: Simplify right side
    60,720.54x = 5,186,230,015.55
  5. Step 5: Solve for x
    x = 5,186,230,015.55/60,720.54
  6. Step 6: Final answer
    x = 85,411.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.