Home / 70,500.30-97,256.88-42,200.52

Finding the Fourth Proportional to 70,500.30, 97,256.88 and 42,200.52

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Solution

The fourth proportional to 70,500.30, 97,256.88 and 42,200.52 is: 58,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,500.30 : 97,256.88 = 42,200.52 : x
  2. Step 2: Convert to fraction form
    70,500.30/97,256.88 = 42,200.52/x
  3. Step 3: Cross multiply
    70,500.30x = 97,256.88 × 42,200.52
  4. Step 4: Simplify right side
    70,500.30x = 4,104,290,909.58
  5. Step 5: Solve for x
    x = 4,104,290,909.58/70,500.30
  6. Step 6: Final answer
    x = 58,216.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.