Home / 91,814.48-126,756.64-70,133.52

Finding the Fourth Proportional to 91,814.48, 126,756.64 and 70,133.52

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Solution

The fourth proportional to 91,814.48, 126,756.64 and 70,133.52 is: 96,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,814.48 : 126,756.64 = 70,133.52 : x
  2. Step 2: Convert to fraction form
    91,814.48/126,756.64 = 70,133.52/x
  3. Step 3: Cross multiply
    91,814.48x = 126,756.64 × 70,133.52
  4. Step 4: Simplify right side
    91,814.48x = 8,889,889,346.57
  5. Step 5: Solve for x
    x = 8,889,889,346.57/91,814.48
  6. Step 6: Final answer
    x = 96,824.48

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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.