Home / 91,019.20-125,592.24-50,720.08

Finding the Fourth Proportional to 91,019.20, 125,592.24 and 50,720.08

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Solution

The fourth proportional to 91,019.20, 125,592.24 and 50,720.08 is: 69,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,019.20 : 125,592.24 = 50,720.08 : x
  2. Step 2: Convert to fraction form
    91,019.20/125,592.24 = 50,720.08/x
  3. Step 3: Cross multiply
    91,019.20x = 125,592.24 × 50,720.08
  4. Step 4: Simplify right side
    91,019.20x = 6,370,048,460.18
  5. Step 5: Solve for x
    x = 6,370,048,460.18/91,019.20
  6. Step 6: Final answer
    x = 69,985.77

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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.