Home / 93,380.22-128,875.50-51,991.38

Finding the Fourth Proportional to 93,380.22, 128,875.50 and 51,991.38

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Solution

The fourth proportional to 93,380.22, 128,875.50 and 51,991.38 is: 71,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,380.22 : 128,875.50 = 51,991.38 : x
  2. Step 2: Convert to fraction form
    93,380.22/128,875.50 = 51,991.38/x
  3. Step 3: Cross multiply
    93,380.22x = 128,875.50 × 51,991.38
  4. Step 4: Simplify right side
    93,380.22x = 6,700,415,093.19
  5. Step 5: Solve for x
    x = 6,700,415,093.19/93,380.22
  6. Step 6: Final answer
    x = 71,754.12

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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.