Home / 85,602.90-128,426.22-32,998.26

Finding the Fourth Proportional to 85,602.90, 128,426.22 and 32,998.26

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Solution

The fourth proportional to 85,602.90, 128,426.22 and 32,998.26 is: 49,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,602.90 : 128,426.22 = 32,998.26 : x
  2. Step 2: Convert to fraction form
    85,602.90/128,426.22 = 32,998.26/x
  3. Step 3: Cross multiply
    85,602.90x = 128,426.22 × 32,998.26
  4. Step 4: Simplify right side
    85,602.90x = 4,237,841,798.38
  5. Step 5: Solve for x
    x = 4,237,841,798.38/85,602.90
  6. Step 6: Final answer
    x = 49,505.82

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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.