Home / 89,330.64-123,275.75-49,045.07

Finding the Fourth Proportional to 89,330.64, 123,275.75 and 49,045.07

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Solution

The fourth proportional to 89,330.64, 123,275.75 and 49,045.07 is: 67,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,330.64 : 123,275.75 = 49,045.07 : x
  2. Step 2: Convert to fraction form
    89,330.64/123,275.75 = 49,045.07/x
  3. Step 3: Cross multiply
    89,330.64x = 123,275.75 × 49,045.07
  4. Step 4: Simplify right side
    89,330.64x = 6,046,066,926.45
  5. Step 5: Solve for x
    x = 6,046,066,926.45/89,330.64
  6. Step 6: Final answer
    x = 67,681.89

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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.