Home / 76,970.34-115,434.33-26,368.62

Finding the Fourth Proportional to 76,970.34, 115,434.33 and 26,368.62

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Solution

The fourth proportional to 76,970.34, 115,434.33 and 26,368.62 is: 39,545.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,970.34 : 115,434.33 = 26,368.62 : x
  2. Step 2: Convert to fraction form
    76,970.34/115,434.33 = 26,368.62/x
  3. Step 3: Cross multiply
    76,970.34x = 115,434.33 × 26,368.62
  4. Step 4: Simplify right side
    76,970.34x = 3,043,843,982.72
  5. Step 5: Solve for x
    x = 3,043,843,982.72/76,970.34
  6. Step 6: Final answer
    x = 39,545.67

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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.