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Finding the Fourth Proportional to 84,211.89, 116,206.95 and 46,486.95

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Solution

The fourth proportional to 84,211.89, 116,206.95 and 46,486.95 is: 64,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,211.89 : 116,206.95 = 46,486.95 : x
  2. Step 2: Convert to fraction form
    84,211.89/116,206.95 = 46,486.95/x
  3. Step 3: Cross multiply
    84,211.89x = 116,206.95 × 46,486.95
  4. Step 4: Simplify right side
    84,211.89x = 5,402,106,674.30
  5. Step 5: Solve for x
    x = 5,402,106,674.30/84,211.89
  6. Step 6: Final answer
    x = 64,148.98

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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.