Home / 70,166.23-105,265.77-47,990.05

Finding the Fourth Proportional to 70,166.23, 105,265.77 and 47,990.05

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Solution

The fourth proportional to 70,166.23, 105,265.77 and 47,990.05 is: 71,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,166.23 : 105,265.77 = 47,990.05 : x
  2. Step 2: Convert to fraction form
    70,166.23/105,265.77 = 47,990.05/x
  3. Step 3: Cross multiply
    70,166.23x = 105,265.77 × 47,990.05
  4. Step 4: Simplify right side
    70,166.23x = 5,051,709,565.59
  5. Step 5: Solve for x
    x = 5,051,709,565.59/70,166.23
  6. Step 6: Final answer
    x = 71,996.31

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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.