Home / 93,835.55-140,400.19-65,810.31

Finding the Fourth Proportional to 93,835.55, 140,400.19 and 65,810.31

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Solution

The fourth proportional to 93,835.55, 140,400.19 and 65,810.31 is: 98,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,835.55 : 140,400.19 = 65,810.31 : x
  2. Step 2: Convert to fraction form
    93,835.55/140,400.19 = 65,810.31/x
  3. Step 3: Cross multiply
    93,835.55x = 140,400.19 × 65,810.31
  4. Step 4: Simplify right side
    93,835.55x = 9,239,779,213.54
  5. Step 5: Solve for x
    x = 9,239,779,213.54/93,835.55
  6. Step 6: Final answer
    x = 98,467.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.