Home / 57,916.64-86,875.04-18,473.92

Finding the Fourth Proportional to 57,916.64, 86,875.04 and 18,473.92

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Solution

The fourth proportional to 57,916.64, 86,875.04 and 18,473.92 is: 27,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,916.64 : 86,875.04 = 18,473.92 : x
  2. Step 2: Convert to fraction form
    57,916.64/86,875.04 = 18,473.92/x
  3. Step 3: Cross multiply
    57,916.64x = 86,875.04 × 18,473.92
  4. Step 4: Simplify right side
    57,916.64x = 1,604,922,538.96
  5. Step 5: Solve for x
    x = 1,604,922,538.96/57,916.64
  6. Step 6: Final answer
    x = 27,710.91

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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.