Home / 102,340.02-141,227.10-57,017.82

Finding the Fourth Proportional to 102,340.02, 141,227.10 and 57,017.82

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Solution

The fourth proportional to 102,340.02, 141,227.10 and 57,017.82 is: 78,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,340.02 : 141,227.10 = 57,017.82 : x
  2. Step 2: Convert to fraction form
    102,340.02/141,227.10 = 57,017.82/x
  3. Step 3: Cross multiply
    102,340.02x = 141,227.10 × 57,017.82
  4. Step 4: Simplify right side
    102,340.02x = 8,052,461,366.92
  5. Step 5: Solve for x
    x = 8,052,461,366.92/102,340.02
  6. Step 6: Final answer
    x = 78,683.41

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1.5x scale

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.