Home / 56,376.75-84,503.98-28,228.94

Finding the Fourth Proportional to 56,376.75, 84,503.98 and 28,228.94

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Solution

The fourth proportional to 56,376.75, 84,503.98 and 28,228.94 is: 42,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376.75 : 84,503.98 = 28,228.94 : x
  2. Step 2: Convert to fraction form
    56,376.75/84,503.98 = 28,228.94/x
  3. Step 3: Cross multiply
    56,376.75x = 84,503.98 × 28,228.94
  4. Step 4: Simplify right side
    56,376.75x = 2,385,457,781.18
  5. Step 5: Solve for x
    x = 2,385,457,781.18/56,376.75
  6. Step 6: Final answer
    x = 42,312.79

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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.