Home / 83,735.51-115,557.15-45,494.67

Finding the Fourth Proportional to 83,735.51, 115,557.15 and 45,494.67

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Solution

The fourth proportional to 83,735.51, 115,557.15 and 45,494.67 is: 62,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,735.51 : 115,557.15 = 45,494.67 : x
  2. Step 2: Convert to fraction form
    83,735.51/115,557.15 = 45,494.67/x
  3. Step 3: Cross multiply
    83,735.51x = 115,557.15 × 45,494.67
  4. Step 4: Simplify right side
    83,735.51x = 5,257,234,405.39
  5. Step 5: Solve for x
    x = 5,257,234,405.39/83,735.51
  6. Step 6: Final answer
    x = 62,783.81

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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.