Home / 76,147.48-105,083.76-41,222.13

Finding the Fourth Proportional to 76,147.48, 105,083.76 and 41,222.13

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Solution

The fourth proportional to 76,147.48, 105,083.76 and 41,222.13 is: 56,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,147.48 : 105,083.76 = 41,222.13 : x
  2. Step 2: Convert to fraction form
    76,147.48/105,083.76 = 41,222.13/x
  3. Step 3: Cross multiply
    76,147.48x = 105,083.76 × 41,222.13
  4. Step 4: Simplify right side
    76,147.48x = 4,331,776,415.61
  5. Step 5: Solve for x
    x = 4,331,776,415.61/76,147.48
  6. Step 6: Final answer
    x = 56,886.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.