Home / 46,740.86-70,111.47-11,680.55

Finding the Fourth Proportional to 46,740.86, 70,111.47 and 11,680.55

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Solution

The fourth proportional to 46,740.86, 70,111.47 and 11,680.55 is: 17,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,740.86 : 70,111.47 = 11,680.55 : x
  2. Step 2: Convert to fraction form
    46,740.86/70,111.47 = 11,680.55/x
  3. Step 3: Cross multiply
    46,740.86x = 70,111.47 × 11,680.55
  4. Step 4: Simplify right side
    46,740.86x = 818,940,530.91
  5. Step 5: Solve for x
    x = 818,940,530.91/46,740.86
  6. Step 6: Final answer
    x = 17,520.87

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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.