Home / 55,915.99-77,192.63-43,140.49

Finding the Fourth Proportional to 55,915.99, 77,192.63 and 43,140.49

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Solution

The fourth proportional to 55,915.99, 77,192.63 and 43,140.49 is: 59,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,915.99 : 77,192.63 = 43,140.49 : x
  2. Step 2: Convert to fraction form
    55,915.99/77,192.63 = 43,140.49/x
  3. Step 3: Cross multiply
    55,915.99x = 77,192.63 × 43,140.49
  4. Step 4: Simplify right side
    55,915.99x = 3,330,127,882.59
  5. Step 5: Solve for x
    x = 3,330,127,882.59/55,915.99
  6. Step 6: Final answer
    x = 59,555.91

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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.