Home / 102,510.08-141,463.66-57,797.76

Finding the Fourth Proportional to 102,510.08, 141,463.66 and 57,797.76

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Solution

The fourth proportional to 102,510.08, 141,463.66 and 57,797.76 is: 79,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,510.08 : 141,463.66 = 57,797.76 : x
  2. Step 2: Convert to fraction form
    102,510.08/141,463.66 = 57,797.76/x
  3. Step 3: Cross multiply
    102,510.08x = 141,463.66 × 57,797.76
  4. Step 4: Simplify right side
    102,510.08x = 8,176,282,669.40
  5. Step 5: Solve for x
    x = 8,176,282,669.40/102,510.08
  6. Step 6: Final answer
    x = 79,760.77

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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.