Home / 84,218.15-116,216.10-45,970.11

Finding the Fourth Proportional to 84,218.15, 116,216.10 and 45,970.11

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Solution

The fourth proportional to 84,218.15, 116,216.10 and 45,970.11 is: 63,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218.15 : 116,216.10 = 45,970.11 : x
  2. Step 2: Convert to fraction form
    84,218.15/116,216.10 = 45,970.11/x
  3. Step 3: Cross multiply
    84,218.15x = 116,216.10 × 45,970.11
  4. Step 4: Simplify right side
    84,218.15x = 5,342,466,900.77
  5. Step 5: Solve for x
    x = 5,342,466,900.77/84,218.15
  6. Step 6: Final answer
    x = 63,436.05

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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.