Home / 91,749.00-126,613.83-53,534.82

Finding the Fourth Proportional to 91,749.00, 126,613.83 and 53,534.82

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Solution

The fourth proportional to 91,749.00, 126,613.83 and 53,534.82 is: 73,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,749.00 : 126,613.83 = 53,534.82 : x
  2. Step 2: Convert to fraction form
    91,749.00/126,613.83 = 53,534.82/x
  3. Step 3: Cross multiply
    91,749.00x = 126,613.83 × 53,534.82
  4. Step 4: Simplify right side
    91,749.00x = 6,778,249,274.12
  5. Step 5: Solve for x
    x = 6,778,249,274.12/91,749.00
  6. Step 6: Final answer
    x = 73,878.18

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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.