Home / 48,126.64-72,140.28-23,128.96

Finding the Fourth Proportional to 48,126.64, 72,140.28 and 23,128.96

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Solution

The fourth proportional to 48,126.64, 72,140.28 and 23,128.96 is: 34,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,126.64 : 72,140.28 = 23,128.96 : x
  2. Step 2: Convert to fraction form
    48,126.64/72,140.28 = 23,128.96/x
  3. Step 3: Cross multiply
    48,126.64x = 72,140.28 × 23,128.96
  4. Step 4: Simplify right side
    48,126.64x = 1,668,529,650.51
  5. Step 5: Solve for x
    x = 1,668,529,650.51/48,126.64
  6. Step 6: Final answer
    x = 34,669.56

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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.