Home / 75,784.28-104,592.06-63,015.50

Finding the Fourth Proportional to 75,784.28, 104,592.06 and 63,015.50

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Solution

The fourth proportional to 75,784.28, 104,592.06 and 63,015.50 is: 86,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,784.28 : 104,592.06 = 63,015.50 : x
  2. Step 2: Convert to fraction form
    75,784.28/104,592.06 = 63,015.50/x
  3. Step 3: Cross multiply
    75,784.28x = 104,592.06 × 63,015.50
  4. Step 4: Simplify right side
    75,784.28x = 6,590,920,433.97
  5. Step 5: Solve for x
    x = 6,590,920,433.97/75,784.28
  6. Step 6: Final answer
    x = 86,969.50

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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.