Home / 70,048.32-105,072.05-32,587.74

Finding the Fourth Proportional to 70,048.32, 105,072.05 and 32,587.74

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Solution

The fourth proportional to 70,048.32, 105,072.05 and 32,587.74 is: 48,881.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,048.32 : 105,072.05 = 32,587.74 : x
  2. Step 2: Convert to fraction form
    70,048.32/105,072.05 = 32,587.74/x
  3. Step 3: Cross multiply
    70,048.32x = 105,072.05 × 32,587.74
  4. Step 4: Simplify right side
    70,048.32x = 3,424,060,646.67
  5. Step 5: Solve for x
    x = 3,424,060,646.67/70,048.32
  6. Step 6: Final answer
    x = 48,881.41

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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.