Home / 47,051.94-70,580.65-13,315.13

Finding the Fourth Proportional to 47,051.94, 70,580.65 and 13,315.13

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Solution

The fourth proportional to 47,051.94, 70,580.65 and 13,315.13 is: 19,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,051.94 : 70,580.65 = 13,315.13 : x
  2. Step 2: Convert to fraction form
    47,051.94/70,580.65 = 13,315.13/x
  3. Step 3: Cross multiply
    47,051.94x = 70,580.65 × 13,315.13
  4. Step 4: Simplify right side
    47,051.94x = 939,790,463.66
  5. Step 5: Solve for x
    x = 939,790,463.66/47,051.94
  6. Step 6: Final answer
    x = 19,973.47

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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.