Home / 91,632.60-126,513.94-70,373.88

Finding the Fourth Proportional to 91,632.60, 126,513.94 and 70,373.88

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Solution

The fourth proportional to 91,632.60, 126,513.94 and 70,373.88 is: 97,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,632.60 : 126,513.94 = 70,373.88 : x
  2. Step 2: Convert to fraction form
    91,632.60/126,513.94 = 70,373.88/x
  3. Step 3: Cross multiply
    91,632.60x = 126,513.94 × 70,373.88
  4. Step 4: Simplify right side
    91,632.60x = 8,903,276,831.89
  5. Step 5: Solve for x
    x = 8,903,276,831.89/91,632.60
  6. Step 6: Final answer
    x = 97,162.77

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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.