Home / 84,129.21-116,059.55-53,900.01

Finding the Fourth Proportional to 84,129.21, 116,059.55 and 53,900.01

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Solution

The fourth proportional to 84,129.21, 116,059.55 and 53,900.01 is: 74,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,129.21 : 116,059.55 = 53,900.01 : x
  2. Step 2: Convert to fraction form
    84,129.21/116,059.55 = 53,900.01/x
  3. Step 3: Cross multiply
    84,129.21x = 116,059.55 × 53,900.01
  4. Step 4: Simplify right side
    84,129.21x = 6,255,610,636.10
  5. Step 5: Solve for x
    x = 6,255,610,636.10/84,129.21
  6. Step 6: Final answer
    x = 74,357.18

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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.