Home / 77,279.95-106,647.68-43,288.14

Finding the Fourth Proportional to 77,279.95, 106,647.68 and 43,288.14

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Solution

The fourth proportional to 77,279.95, 106,647.68 and 43,288.14 is: 59,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,279.95 : 106,647.68 = 43,288.14 : x
  2. Step 2: Convert to fraction form
    77,279.95/106,647.68 = 43,288.14/x
  3. Step 3: Cross multiply
    77,279.95x = 106,647.68 × 43,288.14
  4. Step 4: Simplify right side
    77,279.95x = 4,616,579,702.52
  5. Step 5: Solve for x
    x = 4,616,579,702.52/77,279.95
  6. Step 6: Final answer
    x = 59,738.39

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1.5x scale

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.