Home / 45,848.16-68,764.86-12,560.45

Finding the Fourth Proportional to 45,848.16, 68,764.86 and 12,560.45

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Solution

The fourth proportional to 45,848.16, 68,764.86 and 12,560.45 is: 18,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,848.16 : 68,764.86 = 12,560.45 : x
  2. Step 2: Convert to fraction form
    45,848.16/68,764.86 = 12,560.45/x
  3. Step 3: Cross multiply
    45,848.16x = 68,764.86 × 12,560.45
  4. Step 4: Simplify right side
    45,848.16x = 863,717,289.06
  5. Step 5: Solve for x
    x = 863,717,289.06/45,848.16
  6. Step 6: Final answer
    x = 18,838.65

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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.