Home / 68,368.54-94,322.28-42,830.46

Finding the Fourth Proportional to 68,368.54, 94,322.28 and 42,830.46

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Solution

The fourth proportional to 68,368.54, 94,322.28 and 42,830.46 is: 59,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,368.54 : 94,322.28 = 42,830.46 : x
  2. Step 2: Convert to fraction form
    68,368.54/94,322.28 = 42,830.46/x
  3. Step 3: Cross multiply
    68,368.54x = 94,322.28 × 42,830.46
  4. Step 4: Simplify right side
    68,368.54x = 4,039,866,640.65
  5. Step 5: Solve for x
    x = 4,039,866,640.65/68,368.54
  6. Step 6: Final answer
    x = 59,089.56

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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.