Home / 91,463.34-126,068.43-61,237.98

Finding the Fourth Proportional to 91,463.34, 126,068.43 and 61,237.98

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Solution

The fourth proportional to 91,463.34, 126,068.43 and 61,237.98 is: 84,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,463.34 : 126,068.43 = 61,237.98 : x
  2. Step 2: Convert to fraction form
    91,463.34/126,068.43 = 61,237.98/x
  3. Step 3: Cross multiply
    91,463.34x = 126,068.43 × 61,237.98
  4. Step 4: Simplify right side
    91,463.34x = 7,720,175,994.97
  5. Step 5: Solve for x
    x = 7,720,175,994.97/91,463.34
  6. Step 6: Final answer
    x = 84,407.33

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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.