Home / 47,121.16-70,690.40-15,533.08

Finding the Fourth Proportional to 47,121.16, 70,690.40 and 15,533.08

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Solution

The fourth proportional to 47,121.16, 70,690.40 and 15,533.08 is: 23,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.16 : 70,690.40 = 15,533.08 : x
  2. Step 2: Convert to fraction form
    47,121.16/70,690.40 = 15,533.08/x
  3. Step 3: Cross multiply
    47,121.16x = 70,690.40 × 15,533.08
  4. Step 4: Simplify right side
    47,121.16x = 1,098,039,638.43
  5. Step 5: Solve for x
    x = 1,098,039,638.43/47,121.16
  6. Step 6: Final answer
    x = 23,302.47

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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.