Home / 47,210.64-70,885.75-31,513.47

Finding the Fourth Proportional to 47,210.64, 70,885.75 and 31,513.47

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Solution

The fourth proportional to 47,210.64, 70,885.75 and 31,513.47 is: 47,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,210.64 : 70,885.75 = 31,513.47 : x
  2. Step 2: Convert to fraction form
    47,210.64/70,885.75 = 31,513.47/x
  3. Step 3: Cross multiply
    47,210.64x = 70,885.75 × 31,513.47
  4. Step 4: Simplify right side
    47,210.64x = 2,233,855,956.05
  5. Step 5: Solve for x
    x = 2,233,855,956.05/47,210.64
  6. Step 6: Final answer
    x = 47,316.79

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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.