Home / 76,577.70-105,681.34-44,765.22

Finding the Fourth Proportional to 76,577.70, 105,681.34 and 44,765.22

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Solution

The fourth proportional to 76,577.70, 105,681.34 and 44,765.22 is: 61,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,577.70 : 105,681.34 = 44,765.22 : x
  2. Step 2: Convert to fraction form
    76,577.70/105,681.34 = 44,765.22/x
  3. Step 3: Cross multiply
    76,577.70x = 105,681.34 × 44,765.22
  4. Step 4: Simplify right side
    76,577.70x = 4,730,848,434.99
  5. Step 5: Solve for x
    x = 4,730,848,434.99/76,577.70
  6. Step 6: Final answer
    x = 61,778.41

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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.