Home / 91,830.94-126,719.74-51,536.92

Finding the Fourth Proportional to 91,830.94, 126,719.74 and 51,536.92

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Solution

The fourth proportional to 91,830.94, 126,719.74 and 51,536.92 is: 71,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,830.94 : 126,719.74 = 51,536.92 : x
  2. Step 2: Convert to fraction form
    91,830.94/126,719.74 = 51,536.92/x
  3. Step 3: Cross multiply
    91,830.94x = 126,719.74 × 51,536.92
  4. Step 4: Simplify right side
    91,830.94x = 6,530,745,088.02
  5. Step 5: Solve for x
    x = 6,530,745,088.02/91,830.94
  6. Step 6: Final answer
    x = 71,117.05

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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.