Home / 93,344.10-128,814.75-55,103.70

Finding the Fourth Proportional to 93,344.10, 128,814.75 and 55,103.70

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Solution

The fourth proportional to 93,344.10, 128,814.75 and 55,103.70 is: 76,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,344.10 : 128,814.75 = 55,103.70 : x
  2. Step 2: Convert to fraction form
    93,344.10/128,814.75 = 55,103.70/x
  3. Step 3: Cross multiply
    93,344.10x = 128,814.75 × 55,103.70
  4. Step 4: Simplify right side
    93,344.10x = 7,098,169,339.58
  5. Step 5: Solve for x
    x = 7,098,169,339.58/93,344.10
  6. Step 6: Final answer
    x = 76,043.04

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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.