Home / 84,009.04-126,066.31-34,089.35

Finding the Fourth Proportional to 84,009.04, 126,066.31 and 34,089.35

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Solution

The fourth proportional to 84,009.04, 126,066.31 and 34,089.35 is: 51,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,009.04 : 126,066.31 = 34,089.35 : x
  2. Step 2: Convert to fraction form
    84,009.04/126,066.31 = 34,089.35/x
  3. Step 3: Cross multiply
    84,009.04x = 126,066.31 × 34,089.35
  4. Step 4: Simplify right side
    84,009.04x = 4,297,517,849.24
  5. Step 5: Solve for x
    x = 4,297,517,849.24/84,009.04
  6. Step 6: Final answer
    x = 51,155.42

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1.5x scale

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.