Home / 77,690.34-107,211.60-43,696.26

Finding the Fourth Proportional to 77,690.34, 107,211.60 and 43,696.26

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Solution

The fourth proportional to 77,690.34, 107,211.60 and 43,696.26 is: 60,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,690.34 : 107,211.60 = 43,696.26 : x
  2. Step 2: Convert to fraction form
    77,690.34/107,211.60 = 43,696.26/x
  3. Step 3: Cross multiply
    77,690.34x = 107,211.60 × 43,696.26
  4. Step 4: Simplify right side
    77,690.34x = 4,684,745,948.62
  5. Step 5: Solve for x
    x = 4,684,745,948.62/77,690.34
  6. Step 6: Final answer
    x = 60,300.24

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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.