Home / 84,218.47-116,216.51-45,970.40

Finding the Fourth Proportional to 84,218.47, 116,216.51 and 45,970.40

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Solution

The fourth proportional to 84,218.47, 116,216.51 and 45,970.40 is: 63,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218.47 : 116,216.51 = 45,970.40 : x
  2. Step 2: Convert to fraction form
    84,218.47/116,216.51 = 45,970.40/x
  3. Step 3: Cross multiply
    84,218.47x = 116,216.51 × 45,970.40
  4. Step 4: Simplify right side
    84,218.47x = 5,342,519,511.99
  5. Step 5: Solve for x
    x = 5,342,519,511.99/84,218.47
  6. Step 6: Final answer
    x = 63,436.44

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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.