Home / 47,005.05-70,339.15-40,701.67

Finding the Fourth Proportional to 47,005.05, 70,339.15 and 40,701.67

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Solution

The fourth proportional to 47,005.05, 70,339.15 and 40,701.67 is: 60,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,005.05 : 70,339.15 = 40,701.67 : x
  2. Step 2: Convert to fraction form
    47,005.05/70,339.15 = 40,701.67/x
  3. Step 3: Cross multiply
    47,005.05x = 70,339.15 × 40,701.67
  4. Step 4: Simplify right side
    47,005.05x = 2,862,920,746.41
  5. Step 5: Solve for x
    x = 2,862,920,746.41/47,005.05
  6. Step 6: Final answer
    x = 60,906.66

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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.