Home / 96,943.40-145,415.10-96,021.80

Finding the Fourth Proportional to 96,943.40, 145,415.10 and 96,021.80

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Solution

The fourth proportional to 96,943.40, 145,415.10 and 96,021.80 is: 144,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,943.40 : 145,415.10 = 96,021.80 : x
  2. Step 2: Convert to fraction form
    96,943.40/145,415.10 = 96,021.80/x
  3. Step 3: Cross multiply
    96,943.40x = 145,415.10 × 96,021.80
  4. Step 4: Simplify right side
    96,943.40x = 13,963,019,649.18
  5. Step 5: Solve for x
    x = 13,963,019,649.18/96,943.40
  6. Step 6: Final answer
    x = 144,032.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.