Home / 90,318.95-124,614.69-52,075.49

Finding the Fourth Proportional to 90,318.95, 124,614.69 and 52,075.49

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Solution

The fourth proportional to 90,318.95, 124,614.69 and 52,075.49 is: 71,849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,318.95 : 124,614.69 = 52,075.49 : x
  2. Step 2: Convert to fraction form
    90,318.95/124,614.69 = 52,075.49/x
  3. Step 3: Cross multiply
    90,318.95x = 124,614.69 × 52,075.49
  4. Step 4: Simplify right side
    90,318.95x = 6,489,370,419.87
  5. Step 5: Solve for x
    x = 6,489,370,419.87/90,318.95
  6. Step 6: Final answer
    x = 71,849.49

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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.