Home / 70,854.21-97,783.24-39,023.10

Finding the Fourth Proportional to 70,854.21, 97,783.24 and 39,023.10

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Solution

The fourth proportional to 70,854.21, 97,783.24 and 39,023.10 is: 53,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,854.21 : 97,783.24 = 39,023.10 : x
  2. Step 2: Convert to fraction form
    70,854.21/97,783.24 = 39,023.10/x
  3. Step 3: Cross multiply
    70,854.21x = 97,783.24 × 39,023.10
  4. Step 4: Simplify right side
    70,854.21x = 3,815,805,055.29
  5. Step 5: Solve for x
    x = 3,815,805,055.29/70,854.21
  6. Step 6: Final answer
    x = 53,854.32

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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.