Home / 94,047.69-129,789.56-51,607.74

Finding the Fourth Proportional to 94,047.69, 129,789.56 and 51,607.74

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Solution

The fourth proportional to 94,047.69, 129,789.56 and 51,607.74 is: 71,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,047.69 : 129,789.56 = 51,607.74 : x
  2. Step 2: Convert to fraction form
    94,047.69/129,789.56 = 51,607.74/x
  3. Step 3: Cross multiply
    94,047.69x = 129,789.56 × 51,607.74
  4. Step 4: Simplify right side
    94,047.69x = 6,698,145,867.19
  5. Step 5: Solve for x
    x = 6,698,145,867.19/94,047.69
  6. Step 6: Final answer
    x = 71,220.74

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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.