Home / 70,297.04-105,445.56-28,196.24

Finding the Fourth Proportional to 70,297.04, 105,445.56 and 28,196.24

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Solution

The fourth proportional to 70,297.04, 105,445.56 and 28,196.24 is: 42,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,297.04 : 105,445.56 = 28,196.24 : x
  2. Step 2: Convert to fraction form
    70,297.04/105,445.56 = 28,196.24/x
  3. Step 3: Cross multiply
    70,297.04x = 105,445.56 × 28,196.24
  4. Step 4: Simplify right side
    70,297.04x = 2,973,168,316.69
  5. Step 5: Solve for x
    x = 2,973,168,316.69/70,297.04
  6. Step 6: Final answer
    x = 42,294.36

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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.