Home / 70,313.12-105,485.48-23,564.80

Finding the Fourth Proportional to 70,313.12, 105,485.48 and 23,564.80

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Solution

The fourth proportional to 70,313.12, 105,485.48 and 23,564.80 is: 35,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,313.12 : 105,485.48 = 23,564.80 : x
  2. Step 2: Convert to fraction form
    70,313.12/105,485.48 = 23,564.80/x
  3. Step 3: Cross multiply
    70,313.12x = 105,485.48 × 23,564.80
  4. Step 4: Simplify right side
    70,313.12x = 2,485,744,239.10
  5. Step 5: Solve for x
    x = 2,485,744,239.10/70,313.12
  6. Step 6: Final answer
    x = 35,352.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.