Home / 57,622.25-79,518.71-31,126.25

Finding the Fourth Proportional to 57,622.25, 79,518.71 and 31,126.25

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Solution

The fourth proportional to 57,622.25, 79,518.71 and 31,126.25 is: 42,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,622.25 : 79,518.71 = 31,126.25 : x
  2. Step 2: Convert to fraction form
    57,622.25/79,518.71 = 31,126.25/x
  3. Step 3: Cross multiply
    57,622.25x = 79,518.71 × 31,126.25
  4. Step 4: Simplify right side
    57,622.25x = 2,475,119,247.14
  5. Step 5: Solve for x
    x = 2,475,119,247.14/57,622.25
  6. Step 6: Final answer
    x = 42,954.23

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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.