Home / 70,637.04-105,925-26,231.20

Finding the Fourth Proportional to 70,637.04, 105,925 and 26,231.20

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Solution

The fourth proportional to 70,637.04, 105,925 and 26,231.20 is: 39,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.04 : 105,925 = 26,231.20 : x
  2. Step 2: Convert to fraction form
    70,637.04/105,925 = 26,231.20/x
  3. Step 3: Cross multiply
    70,637.04x = 105,925 × 26,231.20
  4. Step 4: Simplify right side
    70,637.04x = 2,778,539,860
  5. Step 5: Solve for x
    x = 2,778,539,860/70,637.04
  6. Step 6: Final answer
    x = 39,335.45

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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.