Home / 99,361.59-137,154.20-59,075.16

Finding the Fourth Proportional to 99,361.59, 137,154.20 and 59,075.16

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Solution

The fourth proportional to 99,361.59, 137,154.20 and 59,075.16 is: 81,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,361.59 : 137,154.20 = 59,075.16 : x
  2. Step 2: Convert to fraction form
    99,361.59/137,154.20 = 59,075.16/x
  3. Step 3: Cross multiply
    99,361.59x = 137,154.20 × 59,075.16
  4. Step 4: Simplify right side
    99,361.59x = 8,102,406,309.67
  5. Step 5: Solve for x
    x = 8,102,406,309.67/99,361.59
  6. Step 6: Final answer
    x = 81,544.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.