Home / 91,743.16-126,598.08-51,451.42

Finding the Fourth Proportional to 91,743.16, 126,598.08 and 51,451.42

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Solution

The fourth proportional to 91,743.16, 126,598.08 and 51,451.42 is: 70,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,743.16 : 126,598.08 = 51,451.42 : x
  2. Step 2: Convert to fraction form
    91,743.16/126,598.08 = 51,451.42/x
  3. Step 3: Cross multiply
    91,743.16x = 126,598.08 × 51,451.42
  4. Step 4: Simplify right side
    91,743.16x = 6,513,650,985.27
  5. Step 5: Solve for x
    x = 6,513,650,985.27/91,743.16
  6. Step 6: Final answer
    x = 70,998.76

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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.