Home / 66,204.82-99,307.27-19,490.50

Finding the Fourth Proportional to 66,204.82, 99,307.27 and 19,490.50

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Solution

The fourth proportional to 66,204.82, 99,307.27 and 19,490.50 is: 29,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,204.82 : 99,307.27 = 19,490.50 : x
  2. Step 2: Convert to fraction form
    66,204.82/99,307.27 = 19,490.50/x
  3. Step 3: Cross multiply
    66,204.82x = 99,307.27 × 19,490.50
  4. Step 4: Simplify right side
    66,204.82x = 1,935,547,849.40
  5. Step 5: Solve for x
    x = 1,935,547,849.40/66,204.82
  6. Step 6: Final answer
    x = 29,235.76

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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.