Home / 89,907.83-124,067.95-55,915.35

Finding the Fourth Proportional to 89,907.83, 124,067.95 and 55,915.35

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Solution

The fourth proportional to 89,907.83, 124,067.95 and 55,915.35 is: 77,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,907.83 : 124,067.95 = 55,915.35 : x
  2. Step 2: Convert to fraction form
    89,907.83/124,067.95 = 55,915.35/x
  3. Step 3: Cross multiply
    89,907.83x = 124,067.95 × 55,915.35
  4. Step 4: Simplify right side
    89,907.83x = 6,937,303,289.81
  5. Step 5: Solve for x
    x = 6,937,303,289.81/89,907.83
  6. Step 6: Final answer
    x = 77,160.17

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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.