Home / 84,529.80-126,774.14-28,355.34

Finding the Fourth Proportional to 84,529.80, 126,774.14 and 28,355.34

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Solution

The fourth proportional to 84,529.80, 126,774.14 and 28,355.34 is: 42,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,529.80 : 126,774.14 = 28,355.34 : x
  2. Step 2: Convert to fraction form
    84,529.80/126,774.14 = 28,355.34/x
  3. Step 3: Cross multiply
    84,529.80x = 126,774.14 × 28,355.34
  4. Step 4: Simplify right side
    84,529.80x = 3,594,723,842.91
  5. Step 5: Solve for x
    x = 3,594,723,842.91/84,529.80
  6. Step 6: Final answer
    x = 42,526.11

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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.