Home / 67,983.36-93,830.45-43,438.47

Finding the Fourth Proportional to 67,983.36, 93,830.45 and 43,438.47

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Solution

The fourth proportional to 67,983.36, 93,830.45 and 43,438.47 is: 59,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,983.36 : 93,830.45 = 43,438.47 : x
  2. Step 2: Convert to fraction form
    67,983.36/93,830.45 = 43,438.47/x
  3. Step 3: Cross multiply
    67,983.36x = 93,830.45 × 43,438.47
  4. Step 4: Simplify right side
    67,983.36x = 4,075,850,862.70
  5. Step 5: Solve for x
    x = 4,075,850,862.70/67,983.36
  6. Step 6: Final answer
    x = 59,953.66

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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.