Home / 70,527.08-105,787.74-28,973

Finding the Fourth Proportional to 70,527.08, 105,787.74 and 28,973

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Solution

The fourth proportional to 70,527.08, 105,787.74 and 28,973 is: 43,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,527.08 : 105,787.74 = 28,973 : x
  2. Step 2: Convert to fraction form
    70,527.08/105,787.74 = 28,973/x
  3. Step 3: Cross multiply
    70,527.08x = 105,787.74 × 28,973
  4. Step 4: Simplify right side
    70,527.08x = 3,064,988,191.02
  5. Step 5: Solve for x
    x = 3,064,988,191.02/70,527.08
  6. Step 6: Final answer
    x = 43,458.32

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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.