Home / 46,999.86-70,500.33-11,939.55

Finding the Fourth Proportional to 46,999.86, 70,500.33 and 11,939.55

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Solution

The fourth proportional to 46,999.86, 70,500.33 and 11,939.55 is: 17,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,999.86 : 70,500.33 = 11,939.55 : x
  2. Step 2: Convert to fraction form
    46,999.86/70,500.33 = 11,939.55/x
  3. Step 3: Cross multiply
    46,999.86x = 70,500.33 × 11,939.55
  4. Step 4: Simplify right side
    46,999.86x = 841,742,215.05
  5. Step 5: Solve for x
    x = 841,742,215.05/46,999.86
  6. Step 6: Final answer
    x = 17,909.46

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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.