Home / 84,779.93-127,196.63-53,211.95

Finding the Fourth Proportional to 84,779.93, 127,196.63 and 53,211.95

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Solution

The fourth proportional to 84,779.93, 127,196.63 and 53,211.95 is: 79,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,779.93 : 127,196.63 = 53,211.95 : x
  2. Step 2: Convert to fraction form
    84,779.93/127,196.63 = 53,211.95/x
  3. Step 3: Cross multiply
    84,779.93x = 127,196.63 × 53,211.95
  4. Step 4: Simplify right side
    84,779.93x = 6,768,379,813.69
  5. Step 5: Solve for x
    x = 6,768,379,813.69/84,779.93
  6. Step 6: Final answer
    x = 79,834.70

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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.