Home / 106,963.11-147,603.47-58,555.76

Finding the Fourth Proportional to 106,963.11, 147,603.47 and 58,555.76

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Solution

The fourth proportional to 106,963.11, 147,603.47 and 58,555.76 is: 80,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,963.11 : 147,603.47 = 58,555.76 : x
  2. Step 2: Convert to fraction form
    106,963.11/147,603.47 = 58,555.76/x
  3. Step 3: Cross multiply
    106,963.11x = 147,603.47 × 58,555.76
  4. Step 4: Simplify right side
    106,963.11x = 8,643,032,887.20
  5. Step 5: Solve for x
    x = 8,643,032,887.20/106,963.11
  6. Step 6: Final answer
    x = 80,803.87

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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.