Home / 91,971.84-126,923.34-51,683.16

Finding the Fourth Proportional to 91,971.84, 126,923.34 and 51,683.16

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Solution

The fourth proportional to 91,971.84, 126,923.34 and 51,683.16 is: 71,324.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,971.84 : 126,923.34 = 51,683.16 : x
  2. Step 2: Convert to fraction form
    91,971.84/126,923.34 = 51,683.16/x
  3. Step 3: Cross multiply
    91,971.84x = 126,923.34 × 51,683.16
  4. Step 4: Simplify right side
    91,971.84x = 6,559,799,288.95
  5. Step 5: Solve for x
    x = 6,559,799,288.95/91,971.84
  6. Step 6: Final answer
    x = 71,324.00

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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.