Home / 96,777.89-133,564.19-56,501.54

Finding the Fourth Proportional to 96,777.89, 133,564.19 and 56,501.54

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Solution

The fourth proportional to 96,777.89, 133,564.19 and 56,501.54 is: 77,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,777.89 : 133,564.19 = 56,501.54 : x
  2. Step 2: Convert to fraction form
    96,777.89/133,564.19 = 56,501.54/x
  3. Step 3: Cross multiply
    96,777.89x = 133,564.19 × 56,501.54
  4. Step 4: Simplify right side
    96,777.89x = 7,546,581,473.52
  5. Step 5: Solve for x
    x = 7,546,581,473.52/96,777.89
  6. Step 6: Final answer
    x = 77,978.37

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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.