Home / 58,772.99-81,106.73-31,915.50

Finding the Fourth Proportional to 58,772.99, 81,106.73 and 31,915.50

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Solution

The fourth proportional to 58,772.99, 81,106.73 and 31,915.50 is: 44,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,772.99 : 81,106.73 = 31,915.50 : x
  2. Step 2: Convert to fraction form
    58,772.99/81,106.73 = 31,915.50/x
  3. Step 3: Cross multiply
    58,772.99x = 81,106.73 × 31,915.50
  4. Step 4: Simplify right side
    58,772.99x = 2,588,561,681.74
  5. Step 5: Solve for x
    x = 2,588,561,681.74/58,772.99
  6. Step 6: Final answer
    x = 44,043.39

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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.