Home / 109,712.23-151,402-59,411.23

Finding the Fourth Proportional to 109,712.23, 151,402 and 59,411.23

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Solution

The fourth proportional to 109,712.23, 151,402 and 59,411.23 is: 81,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,712.23 : 151,402 = 59,411.23 : x
  2. Step 2: Convert to fraction form
    109,712.23/151,402 = 59,411.23/x
  3. Step 3: Cross multiply
    109,712.23x = 151,402 × 59,411.23
  4. Step 4: Simplify right side
    109,712.23x = 8,994,979,044.46
  5. Step 5: Solve for x
    x = 8,994,979,044.46/109,712.23
  6. Step 6: Final answer
    x = 81,987.02

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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.