Home / 85,447.58-128,217.33-35,562.11

Finding the Fourth Proportional to 85,447.58, 128,217.33 and 35,562.11

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Solution

The fourth proportional to 85,447.58, 128,217.33 and 35,562.11 is: 53,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,447.58 : 128,217.33 = 35,562.11 : x
  2. Step 2: Convert to fraction form
    85,447.58/128,217.33 = 35,562.11/x
  3. Step 3: Cross multiply
    85,447.58x = 128,217.33 × 35,562.11
  4. Step 4: Simplify right side
    85,447.58x = 4,559,678,152.28
  5. Step 5: Solve for x
    x = 4,559,678,152.28/85,447.58
  6. Step 6: Final answer
    x = 53,362.29

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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.