Home / 92,776.44-139,050.70-42,787.16

Finding the Fourth Proportional to 92,776.44, 139,050.70 and 42,787.16

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Solution

The fourth proportional to 92,776.44, 139,050.70 and 42,787.16 is: 64,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,776.44 : 139,050.70 = 42,787.16 : x
  2. Step 2: Convert to fraction form
    92,776.44/139,050.70 = 42,787.16/x
  3. Step 3: Cross multiply
    92,776.44x = 139,050.70 × 42,787.16
  4. Step 4: Simplify right side
    92,776.44x = 5,949,584,549.01
  5. Step 5: Solve for x
    x = 5,949,584,549.01/92,776.44
  6. Step 6: Final answer
    x = 64,128.18

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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.