Home / 101,382.49-139,903.23-58,360.15

Finding the Fourth Proportional to 101,382.49, 139,903.23 and 58,360.15

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Solution

The fourth proportional to 101,382.49, 139,903.23 and 58,360.15 is: 80,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,382.49 : 139,903.23 = 58,360.15 : x
  2. Step 2: Convert to fraction form
    101,382.49/139,903.23 = 58,360.15/x
  3. Step 3: Cross multiply
    101,382.49x = 139,903.23 × 58,360.15
  4. Step 4: Simplify right side
    101,382.49x = 8,164,773,488.28
  5. Step 5: Solve for x
    x = 8,164,773,488.28/101,382.49
  6. Step 6: Final answer
    x = 80,534.36

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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.