Home / 61,088.91-91,576.98-42,377.79

Finding the Fourth Proportional to 61,088.91, 91,576.98 and 42,377.79

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Solution

The fourth proportional to 61,088.91, 91,576.98 and 42,377.79 is: 63,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,088.91 : 91,576.98 = 42,377.79 : x
  2. Step 2: Convert to fraction form
    61,088.91/91,576.98 = 42,377.79/x
  3. Step 3: Cross multiply
    61,088.91x = 91,576.98 × 42,377.79
  4. Step 4: Simplify right side
    61,088.91x = 3,880,830,027.27
  5. Step 5: Solve for x
    x = 3,880,830,027.27/61,088.91
  6. Step 6: Final answer
    x = 63,527.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.