Home / 77,564.64-116,521.92-46,421.76

Finding the Fourth Proportional to 77,564.64, 116,521.92 and 46,421.76

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Solution

The fourth proportional to 77,564.64, 116,521.92 and 46,421.76 is: 69,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,564.64 : 116,521.92 = 46,421.76 : x
  2. Step 2: Convert to fraction form
    77,564.64/116,521.92 = 46,421.76/x
  3. Step 3: Cross multiply
    77,564.64x = 116,521.92 × 46,421.76
  4. Step 4: Simplify right side
    77,564.64x = 5,409,152,604.98
  5. Step 5: Solve for x
    x = 5,409,152,604.98/77,564.64
  6. Step 6: Final answer
    x = 69,737.35

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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.