Home / 47,760.84-65,916.02-28,898.12

Finding the Fourth Proportional to 47,760.84, 65,916.02 and 28,898.12

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Solution

The fourth proportional to 47,760.84, 65,916.02 and 28,898.12 is: 39,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,760.84 : 65,916.02 = 28,898.12 : x
  2. Step 2: Convert to fraction form
    47,760.84/65,916.02 = 28,898.12/x
  3. Step 3: Cross multiply
    47,760.84x = 65,916.02 × 28,898.12
  4. Step 4: Simplify right side
    47,760.84x = 1,904,849,055.88
  5. Step 5: Solve for x
    x = 1,904,849,055.88/47,760.84
  6. Step 6: Final answer
    x = 39,883.07

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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.