Home / 93,059.08-128,380.34-62,021.48

Finding the Fourth Proportional to 93,059.08, 128,380.34 and 62,021.48

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Solution

The fourth proportional to 93,059.08, 128,380.34 and 62,021.48 is: 85,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,059.08 : 128,380.34 = 62,021.48 : x
  2. Step 2: Convert to fraction form
    93,059.08/128,380.34 = 62,021.48/x
  3. Step 3: Cross multiply
    93,059.08x = 128,380.34 × 62,021.48
  4. Step 4: Simplify right side
    93,059.08x = 7,962,338,689.70
  5. Step 5: Solve for x
    x = 7,962,338,689.70/93,059.08
  6. Step 6: Final answer
    x = 85,562.19

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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.