Home / 77,021.15-106,257.56-46,801.67

Finding the Fourth Proportional to 77,021.15, 106,257.56 and 46,801.67

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Solution

The fourth proportional to 77,021.15, 106,257.56 and 46,801.67 is: 64,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,021.15 : 106,257.56 = 46,801.67 : x
  2. Step 2: Convert to fraction form
    77,021.15/106,257.56 = 46,801.67/x
  3. Step 3: Cross multiply
    77,021.15x = 106,257.56 × 46,801.67
  4. Step 4: Simplify right side
    77,021.15x = 4,973,030,492.83
  5. Step 5: Solve for x
    x = 4,973,030,492.83/77,021.15
  6. Step 6: Final answer
    x = 64,567.08

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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.