Home / 109,432.05-151,028.24-63,501.81

Finding the Fourth Proportional to 109,432.05, 151,028.24 and 63,501.81

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Solution

The fourth proportional to 109,432.05, 151,028.24 and 63,501.81 is: 87,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,432.05 : 151,028.24 = 63,501.81 : x
  2. Step 2: Convert to fraction form
    109,432.05/151,028.24 = 63,501.81/x
  3. Step 3: Cross multiply
    109,432.05x = 151,028.24 × 63,501.81
  4. Step 4: Simplify right side
    109,432.05x = 9,590,566,283.61
  5. Step 5: Solve for x
    x = 9,590,566,283.61/109,432.05
  6. Step 6: Final answer
    x = 87,639.46

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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.