Home / 99,075.70-148,611.83-39,909.86

Finding the Fourth Proportional to 99,075.70, 148,611.83 and 39,909.86

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Solution

The fourth proportional to 99,075.70, 148,611.83 and 39,909.86 is: 59,864.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,075.70 : 148,611.83 = 39,909.86 : x
  2. Step 2: Convert to fraction form
    99,075.70/148,611.83 = 39,909.86/x
  3. Step 3: Cross multiply
    99,075.70x = 148,611.83 × 39,909.86
  4. Step 4: Simplify right side
    99,075.70x = 5,931,076,958.11
  5. Step 5: Solve for x
    x = 5,931,076,958.11/99,075.70
  6. Step 6: Final answer
    x = 59,864.09

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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.