Home / 70,581.40-97,402.49-38,752.35

Finding the Fourth Proportional to 70,581.40, 97,402.49 and 38,752.35

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Solution

The fourth proportional to 70,581.40, 97,402.49 and 38,752.35 is: 53,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,581.40 : 97,402.49 = 38,752.35 : x
  2. Step 2: Convert to fraction form
    70,581.40/97,402.49 = 38,752.35/x
  3. Step 3: Cross multiply
    70,581.40x = 97,402.49 × 38,752.35
  4. Step 4: Simplify right side
    70,581.40x = 3,774,575,383.35
  5. Step 5: Solve for x
    x = 3,774,575,383.35/70,581.40
  6. Step 6: Final answer
    x = 53,478.33

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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.