Home / 47,270.33-70,916.51-15,678.08

Finding the Fourth Proportional to 47,270.33, 70,916.51 and 15,678.08

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Solution

The fourth proportional to 47,270.33, 70,916.51 and 15,678.08 is: 23,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,270.33 : 70,916.51 = 15,678.08 : x
  2. Step 2: Convert to fraction form
    47,270.33/70,916.51 = 15,678.08/x
  3. Step 3: Cross multiply
    47,270.33x = 70,916.51 × 15,678.08
  4. Step 4: Simplify right side
    47,270.33x = 1,111,834,717.10
  5. Step 5: Solve for x
    x = 1,111,834,717.10/47,270.33
  6. Step 6: Final answer
    x = 23,520.77

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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.