Home / 53,817.16-74,223.38-47,771.82

Finding the Fourth Proportional to 53,817.16, 74,223.38 and 47,771.82

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Solution

The fourth proportional to 53,817.16, 74,223.38 and 47,771.82 is: 65,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,817.16 : 74,223.38 = 47,771.82 : x
  2. Step 2: Convert to fraction form
    53,817.16/74,223.38 = 47,771.82/x
  3. Step 3: Cross multiply
    53,817.16x = 74,223.38 × 47,771.82
  4. Step 4: Simplify right side
    53,817.16x = 3,545,785,949.15
  5. Step 5: Solve for x
    x = 3,545,785,949.15/53,817.16
  6. Step 6: Final answer
    x = 65,885.79

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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.