Home / 77,021.07-106,289.18-46,798.35

Finding the Fourth Proportional to 77,021.07, 106,289.18 and 46,798.35

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Solution

The fourth proportional to 77,021.07, 106,289.18 and 46,798.35 is: 64,581.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,021.07 : 106,289.18 = 46,798.35 : x
  2. Step 2: Convert to fraction form
    77,021.07/106,289.18 = 46,798.35/x
  3. Step 3: Cross multiply
    77,021.07x = 106,289.18 × 46,798.35
  4. Step 4: Simplify right side
    77,021.07x = 4,974,158,246.85
  5. Step 5: Solve for x
    x = 4,974,158,246.85/77,021.07
  6. Step 6: Final answer
    x = 64,581.79

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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.