Home / 79,043.02-109,065.63-47,210.02

Finding the Fourth Proportional to 79,043.02, 109,065.63 and 47,210.02

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Solution

The fourth proportional to 79,043.02, 109,065.63 and 47,210.02 is: 65,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,043.02 : 109,065.63 = 47,210.02 : x
  2. Step 2: Convert to fraction form
    79,043.02/109,065.63 = 47,210.02/x
  3. Step 3: Cross multiply
    79,043.02x = 109,065.63 × 47,210.02
  4. Step 4: Simplify right side
    79,043.02x = 5,148,990,573.61
  5. Step 5: Solve for x
    x = 5,148,990,573.61/79,043.02
  6. Step 6: Final answer
    x = 65,141.62

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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.