Home / 70,256.22-105,394.05-28,693.50

Finding the Fourth Proportional to 70,256.22, 105,394.05 and 28,693.50

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Solution

The fourth proportional to 70,256.22, 105,394.05 and 28,693.50 is: 43,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,256.22 : 105,394.05 = 28,693.50 : x
  2. Step 2: Convert to fraction form
    70,256.22/105,394.05 = 28,693.50/x
  3. Step 3: Cross multiply
    70,256.22x = 105,394.05 × 28,693.50
  4. Step 4: Simplify right side
    70,256.22x = 3,024,124,173.68
  5. Step 5: Solve for x
    x = 3,024,124,173.68/70,256.22
  6. Step 6: Final answer
    x = 43,044.22

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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.