Home / 77,488.06-106,930.02-47,268.58

Finding the Fourth Proportional to 77,488.06, 106,930.02 and 47,268.58

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Solution

The fourth proportional to 77,488.06, 106,930.02 and 47,268.58 is: 65,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,488.06 : 106,930.02 = 47,268.58 : x
  2. Step 2: Convert to fraction form
    77,488.06/106,930.02 = 47,268.58/x
  3. Step 3: Cross multiply
    77,488.06x = 106,930.02 × 47,268.58
  4. Step 4: Simplify right side
    77,488.06x = 5,054,430,204.77
  5. Step 5: Solve for x
    x = 5,054,430,204.77/77,488.06
  6. Step 6: Final answer
    x = 65,228.50

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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.