Home / 73,125.51-109,688.28-26,378.37

Finding the Fourth Proportional to 73,125.51, 109,688.28 and 26,378.37

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Solution

The fourth proportional to 73,125.51, 109,688.28 and 26,378.37 is: 39,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,125.51 : 109,688.28 = 26,378.37 : x
  2. Step 2: Convert to fraction form
    73,125.51/109,688.28 = 26,378.37/x
  3. Step 3: Cross multiply
    73,125.51x = 109,688.28 × 26,378.37
  4. Step 4: Simplify right side
    73,125.51x = 2,893,398,034.50
  5. Step 5: Solve for x
    x = 2,893,398,034.50/73,125.51
  6. Step 6: Final answer
    x = 39,567.56

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1.5x scale

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.