Home / 70,536.31-97,338.77-38,704.93

Finding the Fourth Proportional to 70,536.31, 97,338.77 and 38,704.93

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Solution

The fourth proportional to 70,536.31, 97,338.77 and 38,704.93 is: 53,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,536.31 : 97,338.77 = 38,704.93 : x
  2. Step 2: Convert to fraction form
    70,536.31/97,338.77 = 38,704.93/x
  3. Step 3: Cross multiply
    70,536.31x = 97,338.77 × 38,704.93
  4. Step 4: Simplify right side
    70,536.31x = 3,767,490,279.14
  5. Step 5: Solve for x
    x = 3,767,490,279.14/70,536.31
  6. Step 6: Final answer
    x = 53,412.07

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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.