Home / 91,880.52-126,783.59-51,594.15

Finding the Fourth Proportional to 91,880.52, 126,783.59 and 51,594.15

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Solution

The fourth proportional to 91,880.52, 126,783.59 and 51,594.15 is: 71,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,880.52 : 126,783.59 = 51,594.15 : x
  2. Step 2: Convert to fraction form
    91,880.52/126,783.59 = 51,594.15/x
  3. Step 3: Cross multiply
    91,880.52x = 126,783.59 × 51,594.15
  4. Step 4: Simplify right side
    91,880.52x = 6,541,291,560.00
  5. Step 5: Solve for x
    x = 6,541,291,560.00/91,880.52
  6. Step 6: Final answer
    x = 71,193.45

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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.