Home / 103,527.48-155,488.07-64,358.31

Finding the Fourth Proportional to 103,527.48, 155,488.07 and 64,358.31

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Solution

The fourth proportional to 103,527.48, 155,488.07 and 64,358.31 is: 96,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,527.48 : 155,488.07 = 64,358.31 : x
  2. Step 2: Convert to fraction form
    103,527.48/155,488.07 = 64,358.31/x
  3. Step 3: Cross multiply
    103,527.48x = 155,488.07 × 64,358.31
  4. Step 4: Simplify right side
    103,527.48x = 10,006,949,410.36
  5. Step 5: Solve for x
    x = 10,006,949,410.36/103,527.48
  6. Step 6: Final answer
    x = 96,659.84

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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.