Home / 77,450.10-116,165.93-21,295.92

Finding the Fourth Proportional to 77,450.10, 116,165.93 and 21,295.92

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Solution

The fourth proportional to 77,450.10, 116,165.93 and 21,295.92 is: 31,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,450.10 : 116,165.93 = 21,295.92 : x
  2. Step 2: Convert to fraction form
    77,450.10/116,165.93 = 21,295.92/x
  3. Step 3: Cross multiply
    77,450.10x = 116,165.93 × 21,295.92
  4. Step 4: Simplify right side
    77,450.10x = 2,473,860,325.39
  5. Step 5: Solve for x
    x = 2,473,860,325.39/77,450.10
  6. Step 6: Final answer
    x = 31,941.34

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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.