Home / 74,613.24-111,919.86-70,051.32

Finding the Fourth Proportional to 74,613.24, 111,919.86 and 70,051.32

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Solution

The fourth proportional to 74,613.24, 111,919.86 and 70,051.32 is: 105,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,613.24 : 111,919.86 = 70,051.32 : x
  2. Step 2: Convert to fraction form
    74,613.24/111,919.86 = 70,051.32/x
  3. Step 3: Cross multiply
    74,613.24x = 111,919.86 × 70,051.32
  4. Step 4: Simplify right side
    74,613.24x = 7,840,133,927.22
  5. Step 5: Solve for x
    x = 7,840,133,927.22/74,613.24
  6. Step 6: Final answer
    x = 105,076.98

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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.