Home / 47,921.04-66,154.68-37,142.16

Finding the Fourth Proportional to 47,921.04, 66,154.68 and 37,142.16

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Solution

The fourth proportional to 47,921.04, 66,154.68 and 37,142.16 is: 51,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.04 : 66,154.68 = 37,142.16 : x
  2. Step 2: Convert to fraction form
    47,921.04/66,154.68 = 37,142.16/x
  3. Step 3: Cross multiply
    47,921.04x = 66,154.68 × 37,142.16
  4. Step 4: Simplify right side
    47,921.04x = 2,457,127,709.31
  5. Step 5: Solve for x
    x = 2,457,127,709.31/47,921.04
  6. Step 6: Final answer
    x = 51,274.51

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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.