Home / 91,854.40-126,750.32-51,558.93

Finding the Fourth Proportional to 91,854.40, 126,750.32 and 51,558.93

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Solution

The fourth proportional to 91,854.40, 126,750.32 and 51,558.93 is: 71,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,854.40 : 126,750.32 = 51,558.93 : x
  2. Step 2: Convert to fraction form
    91,854.40/126,750.32 = 51,558.93/x
  3. Step 3: Cross multiply
    91,854.40x = 126,750.32 × 51,558.93
  4. Step 4: Simplify right side
    91,854.40x = 6,535,110,876.36
  5. Step 5: Solve for x
    x = 6,535,110,876.36/91,854.40
  6. Step 6: Final answer
    x = 71,146.41

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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.