Home / 91,923.40-126,850.88-51,090.06

Finding the Fourth Proportional to 91,923.40, 126,850.88 and 51,090.06

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Solution

The fourth proportional to 91,923.40, 126,850.88 and 51,090.06 is: 70,502.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,923.40 : 126,850.88 = 51,090.06 : x
  2. Step 2: Convert to fraction form
    91,923.40/126,850.88 = 51,090.06/x
  3. Step 3: Cross multiply
    91,923.40x = 126,850.88 × 51,090.06
  4. Step 4: Simplify right side
    91,923.40x = 6,480,819,070.25
  5. Step 5: Solve for x
    x = 6,480,819,070.25/91,923.40
  6. Step 6: Final answer
    x = 70,502.39

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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.