Home / 99,075.36-148,543.92-36,729.12

Finding the Fourth Proportional to 99,075.36, 148,543.92 and 36,729.12

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Solution

The fourth proportional to 99,075.36, 148,543.92 and 36,729.12 is: 55,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,075.36 : 148,543.92 = 36,729.12 : x
  2. Step 2: Convert to fraction form
    99,075.36/148,543.92 = 36,729.12/x
  3. Step 3: Cross multiply
    99,075.36x = 148,543.92 × 36,729.12
  4. Step 4: Simplify right side
    99,075.36x = 5,455,887,462.95
  5. Step 5: Solve for x
    x = 5,455,887,462.95/99,075.36
  6. Step 6: Final answer
    x = 55,068.06

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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.