Home / 110,931.93-152,763.57-96,390

Finding the Fourth Proportional to 110,931.93, 152,763.57 and 96,390

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Solution

The fourth proportional to 110,931.93, 152,763.57 and 96,390 is: 132,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,931.93 : 152,763.57 = 96,390 : x
  2. Step 2: Convert to fraction form
    110,931.93/152,763.57 = 96,390/x
  3. Step 3: Cross multiply
    110,931.93x = 152,763.57 × 96,390
  4. Step 4: Simplify right side
    110,931.93x = 14,724,880,512.30
  5. Step 5: Solve for x
    x = 14,724,880,512.30/110,931.93
  6. Step 6: Final answer
    x = 132,737.98

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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.