Home / 85,632.24-128,485.29-35,722.17

Finding the Fourth Proportional to 85,632.24, 128,485.29 and 35,722.17

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Solution

The fourth proportional to 85,632.24, 128,485.29 and 35,722.17 is: 53,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,632.24 : 128,485.29 = 35,722.17 : x
  2. Step 2: Convert to fraction form
    85,632.24/128,485.29 = 35,722.17/x
  3. Step 3: Cross multiply
    85,632.24x = 128,485.29 × 35,722.17
  4. Step 4: Simplify right side
    85,632.24x = 4,589,773,371.88
  5. Step 5: Solve for x
    x = 4,589,773,371.88/85,632.24
  6. Step 6: Final answer
    x = 53,598.66

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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.