Home / 66,103.48-99,156.30-66,006.28

Finding the Fourth Proportional to 66,103.48, 99,156.30 and 66,006.28

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Solution

The fourth proportional to 66,103.48, 99,156.30 and 66,006.28 is: 99,010.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,103.48 : 99,156.30 = 66,006.28 : x
  2. Step 2: Convert to fraction form
    66,103.48/99,156.30 = 66,006.28/x
  3. Step 3: Cross multiply
    66,103.48x = 99,156.30 × 66,006.28
  4. Step 4: Simplify right side
    66,103.48x = 6,544,938,501.56
  5. Step 5: Solve for x
    x = 6,544,938,501.56/66,103.48
  6. Step 6: Final answer
    x = 99,010.50

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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.