Home / 74,166.84-111,284.28-40,443.30

Finding the Fourth Proportional to 74,166.84, 111,284.28 and 40,443.30

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Solution

The fourth proportional to 74,166.84, 111,284.28 and 40,443.30 is: 60,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,166.84 : 111,284.28 = 40,443.30 : x
  2. Step 2: Convert to fraction form
    74,166.84/111,284.28 = 40,443.30/x
  3. Step 3: Cross multiply
    74,166.84x = 111,284.28 × 40,443.30
  4. Step 4: Simplify right side
    74,166.84x = 4,500,703,521.32
  5. Step 5: Solve for x
    x = 4,500,703,521.32/74,166.84
  6. Step 6: Final answer
    x = 60,683.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.