Home / 75,949.02-104,809.95-42,415.02

Finding the Fourth Proportional to 75,949.02, 104,809.95 and 42,415.02

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Solution

The fourth proportional to 75,949.02, 104,809.95 and 42,415.02 is: 58,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,949.02 : 104,809.95 = 42,415.02 : x
  2. Step 2: Convert to fraction form
    75,949.02/104,809.95 = 42,415.02/x
  3. Step 3: Cross multiply
    75,949.02x = 104,809.95 × 42,415.02
  4. Step 4: Simplify right side
    75,949.02x = 4,445,516,125.45
  5. Step 5: Solve for x
    x = 4,445,516,125.45/75,949.02
  6. Step 6: Final answer
    x = 58,532.90

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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.