Home / 47,111.12-70,669.14-12,051.08

Finding the Fourth Proportional to 47,111.12, 70,669.14 and 12,051.08

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Solution

The fourth proportional to 47,111.12, 70,669.14 and 12,051.08 is: 18,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,111.12 : 70,669.14 = 12,051.08 : x
  2. Step 2: Convert to fraction form
    47,111.12/70,669.14 = 12,051.08/x
  3. Step 3: Cross multiply
    47,111.12x = 70,669.14 × 12,051.08
  4. Step 4: Simplify right side
    47,111.12x = 851,639,459.67
  5. Step 5: Solve for x
    x = 851,639,459.67/47,111.12
  6. Step 6: Final answer
    x = 18,077.25

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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.