Home / 45,730.56-68,603.52-14,572.80

Finding the Fourth Proportional to 45,730.56, 68,603.52 and 14,572.80

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Solution

The fourth proportional to 45,730.56, 68,603.52 and 14,572.80 is: 21,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,730.56 : 68,603.52 = 14,572.80 : x
  2. Step 2: Convert to fraction form
    45,730.56/68,603.52 = 14,572.80/x
  3. Step 3: Cross multiply
    45,730.56x = 68,603.52 × 14,572.80
  4. Step 4: Simplify right side
    45,730.56x = 999,745,376.26
  5. Step 5: Solve for x
    x = 999,745,376.26/45,730.56
  6. Step 6: Final answer
    x = 21,861.65

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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.