Home / 99,351.26-148,701.10-54,303.62

Finding the Fourth Proportional to 99,351.26, 148,701.10 and 54,303.62

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Solution

The fourth proportional to 99,351.26, 148,701.10 and 54,303.62 is: 81,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,351.26 : 148,701.10 = 54,303.62 : x
  2. Step 2: Convert to fraction form
    99,351.26/148,701.10 = 54,303.62/x
  3. Step 3: Cross multiply
    99,351.26x = 148,701.10 × 54,303.62
  4. Step 4: Simplify right side
    99,351.26x = 8,075,008,027.98
  5. Step 5: Solve for x
    x = 8,075,008,027.98/99,351.26
  6. Step 6: Final answer
    x = 81,277.36

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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.