Home / 70,134.12-96,784.56-38,303.01

Finding the Fourth Proportional to 70,134.12, 96,784.56 and 38,303.01

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Solution

The fourth proportional to 70,134.12, 96,784.56 and 38,303.01 is: 52,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,134.12 : 96,784.56 = 38,303.01 : x
  2. Step 2: Convert to fraction form
    70,134.12/96,784.56 = 38,303.01/x
  3. Step 3: Cross multiply
    70,134.12x = 96,784.56 × 38,303.01
  4. Step 4: Simplify right side
    70,134.12x = 3,707,139,969.53
  5. Step 5: Solve for x
    x = 3,707,139,969.53/70,134.12
  6. Step 6: Final answer
    x = 52,857.87

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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.