Home / 85,410.14-117,860.13-51,412.01

Finding the Fourth Proportional to 85,410.14, 117,860.13 and 51,412.01

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Solution

The fourth proportional to 85,410.14, 117,860.13 and 51,412.01 is: 70,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,410.14 : 117,860.13 = 51,412.01 : x
  2. Step 2: Convert to fraction form
    85,410.14/117,860.13 = 51,412.01/x
  3. Step 3: Cross multiply
    85,410.14x = 117,860.13 × 51,412.01
  4. Step 4: Simplify right side
    85,410.14x = 6,059,425,592.86
  5. Step 5: Solve for x
    x = 6,059,425,592.86/85,410.14
  6. Step 6: Final answer
    x = 70,945.04

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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.