Home / 109,719.02-151,411.36-59,418.02

Finding the Fourth Proportional to 109,719.02, 151,411.36 and 59,418.02

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Solution

The fourth proportional to 109,719.02, 151,411.36 and 59,418.02 is: 81,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,719.02 : 151,411.36 = 59,418.02 : x
  2. Step 2: Convert to fraction form
    109,719.02/151,411.36 = 59,418.02/x
  3. Step 3: Cross multiply
    109,719.02x = 151,411.36 × 59,418.02
  4. Step 4: Simplify right side
    109,719.02x = 8,996,563,216.71
  5. Step 5: Solve for x
    x = 8,996,563,216.71/109,719.02
  6. Step 6: Final answer
    x = 81,996.39

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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.