Home / 91,783.22-126,661.20-51,498.68

Finding the Fourth Proportional to 91,783.22, 126,661.20 and 51,498.68

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Solution

The fourth proportional to 91,783.22, 126,661.20 and 51,498.68 is: 71,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,783.22 : 126,661.20 = 51,498.68 : x
  2. Step 2: Convert to fraction form
    91,783.22/126,661.20 = 51,498.68/x
  3. Step 3: Cross multiply
    91,783.22x = 126,661.20 × 51,498.68
  4. Step 4: Simplify right side
    91,783.22x = 6,522,884,607.22
  5. Step 5: Solve for x
    x = 6,522,884,607.22/91,783.22
  6. Step 6: Final answer
    x = 71,068.38

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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.