Home / 109,075.10-163,604.01-38,947.10

Finding the Fourth Proportional to 109,075.10, 163,604.01 and 38,947.10

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Solution

The fourth proportional to 109,075.10, 163,604.01 and 38,947.10 is: 58,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,075.10 : 163,604.01 = 38,947.10 : x
  2. Step 2: Convert to fraction form
    109,075.10/163,604.01 = 38,947.10/x
  3. Step 3: Cross multiply
    109,075.10x = 163,604.01 × 38,947.10
  4. Step 4: Simplify right side
    109,075.10x = 6,371,901,737.87
  5. Step 5: Solve for x
    x = 6,371,901,737.87/109,075.10
  6. Step 6: Final answer
    x = 58,417.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.