Home / 53,543.48-73,898.70-51,181.16

Finding the Fourth Proportional to 53,543.48, 73,898.70 and 51,181.16

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Solution

The fourth proportional to 53,543.48, 73,898.70 and 51,181.16 is: 70,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,543.48 : 73,898.70 = 51,181.16 : x
  2. Step 2: Convert to fraction form
    53,543.48/73,898.70 = 51,181.16/x
  3. Step 3: Cross multiply
    53,543.48x = 73,898.70 × 51,181.16
  4. Step 4: Simplify right side
    53,543.48x = 3,782,221,188.49
  5. Step 5: Solve for x
    x = 3,782,221,188.49/53,543.48
  6. Step 6: Final answer
    x = 70,638.31

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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.