Home / 81,370.98-112,239.27-53,066.34

Finding the Fourth Proportional to 81,370.98, 112,239.27 and 53,066.34

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Solution

The fourth proportional to 81,370.98, 112,239.27 and 53,066.34 is: 73,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,370.98 : 112,239.27 = 53,066.34 : x
  2. Step 2: Convert to fraction form
    81,370.98/112,239.27 = 53,066.34/x
  3. Step 3: Cross multiply
    81,370.98x = 112,239.27 × 53,066.34
  4. Step 4: Simplify right side
    81,370.98x = 5,956,127,263.17
  5. Step 5: Solve for x
    x = 5,956,127,263.17/81,370.98
  6. Step 6: Final answer
    x = 73,197.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.