Home / 85,755.46-128,653.63-29,596.06

Finding the Fourth Proportional to 85,755.46, 128,653.63 and 29,596.06

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Solution

The fourth proportional to 85,755.46, 128,653.63 and 29,596.06 is: 44,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,755.46 : 128,653.63 = 29,596.06 : x
  2. Step 2: Convert to fraction form
    85,755.46/128,653.63 = 29,596.06/x
  3. Step 3: Cross multiply
    85,755.46x = 128,653.63 × 29,596.06
  4. Step 4: Simplify right side
    85,755.46x = 3,807,640,444.16
  5. Step 5: Solve for x
    x = 3,807,640,444.16/85,755.46
  6. Step 6: Final answer
    x = 44,401.14

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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.