Home / 91,472.49-126,237.35-51,185.93

Finding the Fourth Proportional to 91,472.49, 126,237.35 and 51,185.93

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Solution

The fourth proportional to 91,472.49, 126,237.35 and 51,185.93 is: 70,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,472.49 : 126,237.35 = 51,185.93 : x
  2. Step 2: Convert to fraction form
    91,472.49/126,237.35 = 51,185.93/x
  3. Step 3: Cross multiply
    91,472.49x = 126,237.35 × 51,185.93
  4. Step 4: Simplify right side
    91,472.49x = 6,461,575,657.26
  5. Step 5: Solve for x
    x = 6,461,575,657.26/91,472.49
  6. Step 6: Final answer
    x = 70,639.55

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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.