Home / 85,436.14-117,903.69-47,710.36

Finding the Fourth Proportional to 85,436.14, 117,903.69 and 47,710.36

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Solution

The fourth proportional to 85,436.14, 117,903.69 and 47,710.36 is: 65,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,436.14 : 117,903.69 = 47,710.36 : x
  2. Step 2: Convert to fraction form
    85,436.14/117,903.69 = 47,710.36/x
  3. Step 3: Cross multiply
    85,436.14x = 117,903.69 × 47,710.36
  4. Step 4: Simplify right side
    85,436.14x = 5,625,227,495.23
  5. Step 5: Solve for x
    x = 5,625,227,495.23/85,436.14
  6. Step 6: Final answer
    x = 65,841.31

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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.