Home / 70,023-96,712.35-50,987.88

Finding the Fourth Proportional to 70,023, 96,712.35 and 50,987.88

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Solution

The fourth proportional to 70,023, 96,712.35 and 50,987.88 is: 70,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,023 : 96,712.35 = 50,987.88 : x
  2. Step 2: Convert to fraction form
    70,023/96,712.35 = 50,987.88/x
  3. Step 3: Cross multiply
    70,023x = 96,712.35 × 50,987.88
  4. Step 4: Simplify right side
    70,023x = 4,931,157,696.32
  5. Step 5: Solve for x
    x = 4,931,157,696.32/70,023
  6. Step 6: Final answer
    x = 70,421.97

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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.