Home / 109,423.64-151,004.63-59,122.64

Finding the Fourth Proportional to 109,423.64, 151,004.63 and 59,122.64

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Solution

The fourth proportional to 109,423.64, 151,004.63 and 59,122.64 is: 81,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,423.64 : 151,004.63 = 59,122.64 : x
  2. Step 2: Convert to fraction form
    109,423.64/151,004.63 = 59,122.64/x
  3. Step 3: Cross multiply
    109,423.64x = 151,004.63 × 59,122.64
  4. Step 4: Simplify right side
    109,423.64x = 8,927,791,327.19
  5. Step 5: Solve for x
    x = 8,927,791,327.19/109,423.64
  6. Step 6: Final answer
    x = 81,589.24

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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.