Home / 89,782.39-123,900.56-49,497.63

Finding the Fourth Proportional to 89,782.39, 123,900.56 and 49,497.63

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Solution

The fourth proportional to 89,782.39, 123,900.56 and 49,497.63 is: 68,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,782.39 : 123,900.56 = 49,497.63 : x
  2. Step 2: Convert to fraction form
    89,782.39/123,900.56 = 49,497.63/x
  3. Step 3: Cross multiply
    89,782.39x = 123,900.56 × 49,497.63
  4. Step 4: Simplify right side
    89,782.39x = 6,132,784,075.67
  5. Step 5: Solve for x
    x = 6,132,784,075.67/89,782.39
  6. Step 6: Final answer
    x = 68,307.20

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1.5x scale

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.