Home / 48,074.22-72,148.53-31,429.74

Finding the Fourth Proportional to 48,074.22, 72,148.53 and 31,429.74

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Solution

The fourth proportional to 48,074.22, 72,148.53 and 31,429.74 is: 47,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,074.22 : 72,148.53 = 31,429.74 : x
  2. Step 2: Convert to fraction form
    48,074.22/72,148.53 = 31,429.74/x
  3. Step 3: Cross multiply
    48,074.22x = 72,148.53 × 31,429.74
  4. Step 4: Simplify right side
    48,074.22x = 2,267,609,539.28
  5. Step 5: Solve for x
    x = 2,267,609,539.28/48,074.22
  6. Step 6: Final answer
    x = 47,168.93

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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.