Home / 102,585.06-141,574.50-57,271.95

Finding the Fourth Proportional to 102,585.06, 141,574.50 and 57,271.95

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Solution

The fourth proportional to 102,585.06, 141,574.50 and 57,271.95 is: 79,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,585.06 : 141,574.50 = 57,271.95 : x
  2. Step 2: Convert to fraction form
    102,585.06/141,574.50 = 57,271.95/x
  3. Step 3: Cross multiply
    102,585.06x = 141,574.50 × 57,271.95
  4. Step 4: Simplify right side
    102,585.06x = 8,108,247,685.28
  5. Step 5: Solve for x
    x = 8,108,247,685.28/102,585.06
  6. Step 6: Final answer
    x = 79,039.26

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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.