Home / 66,304.29-99,459.72-18,926.37

Finding the Fourth Proportional to 66,304.29, 99,459.72 and 18,926.37

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Solution

The fourth proportional to 66,304.29, 99,459.72 and 18,926.37 is: 28,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,304.29 : 99,459.72 = 18,926.37 : x
  2. Step 2: Convert to fraction form
    66,304.29/99,459.72 = 18,926.37/x
  3. Step 3: Cross multiply
    66,304.29x = 99,459.72 × 18,926.37
  4. Step 4: Simplify right side
    66,304.29x = 1,882,411,460.82
  5. Step 5: Solve for x
    x = 1,882,411,460.82/66,304.29
  6. Step 6: Final answer
    x = 28,390.49

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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.