Home / 99,075.20-148,654.49-61,666.57

Finding the Fourth Proportional to 99,075.20, 148,654.49 and 61,666.57

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Solution

The fourth proportional to 99,075.20, 148,654.49 and 61,666.57 is: 92,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,075.20 : 148,654.49 = 61,666.57 : x
  2. Step 2: Convert to fraction form
    99,075.20/148,654.49 = 61,666.57/x
  3. Step 3: Cross multiply
    99,075.20x = 148,654.49 × 61,666.57
  4. Step 4: Simplify right side
    99,075.20x = 9,167,011,901.58
  5. Step 5: Solve for x
    x = 9,167,011,901.58/99,075.20
  6. Step 6: Final answer
    x = 92,525.80

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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.