Home / 84,375.64-116,533.98-57,471.40

Finding the Fourth Proportional to 84,375.64, 116,533.98 and 57,471.40

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Solution

The fourth proportional to 84,375.64, 116,533.98 and 57,471.40 is: 79,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,375.64 : 116,533.98 = 57,471.40 : x
  2. Step 2: Convert to fraction form
    84,375.64/116,533.98 = 57,471.40/x
  3. Step 3: Cross multiply
    84,375.64x = 116,533.98 × 57,471.40
  4. Step 4: Simplify right side
    84,375.64x = 6,697,370,978.17
  5. Step 5: Solve for x
    x = 6,697,370,978.17/84,375.64
  6. Step 6: Final answer
    x = 79,375.65

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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.