Home / 91,447.86-126,224.61-53,216.34

Finding the Fourth Proportional to 91,447.86, 126,224.61 and 53,216.34

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Solution

The fourth proportional to 91,447.86, 126,224.61 and 53,216.34 is: 73,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,447.86 : 126,224.61 = 53,216.34 : x
  2. Step 2: Convert to fraction form
    91,447.86/126,224.61 = 53,216.34/x
  3. Step 3: Cross multiply
    91,447.86x = 126,224.61 × 53,216.34
  4. Step 4: Simplify right side
    91,447.86x = 6,717,211,762.13
  5. Step 5: Solve for x
    x = 6,717,211,762.13/91,447.86
  6. Step 6: Final answer
    x = 73,454.01

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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.