Home / 93,939.46-129,649.80-58,141

Finding the Fourth Proportional to 93,939.46, 129,649.80 and 58,141

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Solution

The fourth proportional to 93,939.46, 129,649.80 and 58,141 is: 80,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,939.46 : 129,649.80 = 58,141 : x
  2. Step 2: Convert to fraction form
    93,939.46/129,649.80 = 58,141/x
  3. Step 3: Cross multiply
    93,939.46x = 129,649.80 × 58,141
  4. Step 4: Simplify right side
    93,939.46x = 7,537,969,021.80
  5. Step 5: Solve for x
    x = 7,537,969,021.80/93,939.46
  6. Step 6: Final answer
    x = 80,242.84

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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.