Home / 75,411.36-104,049.02-42,706.28

Finding the Fourth Proportional to 75,411.36, 104,049.02 and 42,706.28

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Solution

The fourth proportional to 75,411.36, 104,049.02 and 42,706.28 is: 58,924.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,411.36 : 104,049.02 = 42,706.28 : x
  2. Step 2: Convert to fraction form
    75,411.36/104,049.02 = 42,706.28/x
  3. Step 3: Cross multiply
    75,411.36x = 104,049.02 × 42,706.28
  4. Step 4: Simplify right side
    75,411.36x = 4,443,546,948.73
  5. Step 5: Solve for x
    x = 4,443,546,948.73/75,411.36
  6. Step 6: Final answer
    x = 58,924.11

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1.5x scale

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.