Home / 90,762.07-135,851.10-48,536.50

Finding the Fourth Proportional to 90,762.07, 135,851.10 and 48,536.50

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Solution

The fourth proportional to 90,762.07, 135,851.10 and 48,536.50 is: 72,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,762.07 : 135,851.10 = 48,536.50 : x
  2. Step 2: Convert to fraction form
    90,762.07/135,851.10 = 48,536.50/x
  3. Step 3: Cross multiply
    90,762.07x = 135,851.10 × 48,536.50
  4. Step 4: Simplify right side
    90,762.07x = 6,593,736,915.15
  5. Step 5: Solve for x
    x = 6,593,736,915.15/90,762.07
  6. Step 6: Final answer
    x = 72,648.60

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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.