Home / 93,021.90-128,367.42-52,739.34

Finding the Fourth Proportional to 93,021.90, 128,367.42 and 52,739.34

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Solution

The fourth proportional to 93,021.90, 128,367.42 and 52,739.34 is: 72,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,021.90 : 128,367.42 = 52,739.34 : x
  2. Step 2: Convert to fraction form
    93,021.90/128,367.42 = 52,739.34/x
  3. Step 3: Cross multiply
    93,021.90x = 128,367.42 × 52,739.34
  4. Step 4: Simplify right side
    93,021.90x = 6,770,013,008.30
  5. Step 5: Solve for x
    x = 6,770,013,008.30/93,021.90
  6. Step 6: Final answer
    x = 72,778.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.