Home / 75,280.14-112,896.65-27,242.69

Finding the Fourth Proportional to 75,280.14, 112,896.65 and 27,242.69

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Solution

The fourth proportional to 75,280.14, 112,896.65 and 27,242.69 is: 40,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,280.14 : 112,896.65 = 27,242.69 : x
  2. Step 2: Convert to fraction form
    75,280.14/112,896.65 = 27,242.69/x
  3. Step 3: Cross multiply
    75,280.14x = 112,896.65 × 27,242.69
  4. Step 4: Simplify right side
    75,280.14x = 3,075,607,941.61
  5. Step 5: Solve for x
    x = 3,075,607,941.61/75,280.14
  6. Step 6: Final answer
    x = 40,855.50

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1.5x scale

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.