Home / 91,288.08-125,980.11-51,006.27

Finding the Fourth Proportional to 91,288.08, 125,980.11 and 51,006.27

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Solution

The fourth proportional to 91,288.08, 125,980.11 and 51,006.27 is: 70,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288.08 : 125,980.11 = 51,006.27 : x
  2. Step 2: Convert to fraction form
    91,288.08/125,980.11 = 51,006.27/x
  3. Step 3: Cross multiply
    91,288.08x = 125,980.11 × 51,006.27
  4. Step 4: Simplify right side
    91,288.08x = 6,425,775,505.29
  5. Step 5: Solve for x
    x = 6,425,775,505.29/91,288.08
  6. Step 6: Final answer
    x = 70,390.08

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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.