Home / 47,155.65-70,733.50-12,095.32

Finding the Fourth Proportional to 47,155.65, 70,733.50 and 12,095.32

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Solution

The fourth proportional to 47,155.65, 70,733.50 and 12,095.32 is: 18,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155.65 : 70,733.50 = 12,095.32 : x
  2. Step 2: Convert to fraction form
    47,155.65/70,733.50 = 12,095.32/x
  3. Step 3: Cross multiply
    47,155.65x = 70,733.50 × 12,095.32
  4. Step 4: Simplify right side
    47,155.65x = 855,544,110.15
  5. Step 5: Solve for x
    x = 855,544,110.15/47,155.65
  6. Step 6: Final answer
    x = 18,142.98

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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.