Home / 91,831.48-126,707.70-60,047.08

Finding the Fourth Proportional to 91,831.48, 126,707.70 and 60,047.08

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Solution

The fourth proportional to 91,831.48, 126,707.70 and 60,047.08 is: 82,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,831.48 : 126,707.70 = 60,047.08 : x
  2. Step 2: Convert to fraction form
    91,831.48/126,707.70 = 60,047.08/x
  3. Step 3: Cross multiply
    91,831.48x = 126,707.70 × 60,047.08
  4. Step 4: Simplify right side
    91,831.48x = 7,608,427,398.52
  5. Step 5: Solve for x
    x = 7,608,427,398.52/91,831.48
  6. Step 6: Final answer
    x = 82,852.06

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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.