Home / 70,623.78-97,461.27-38,792.40

Finding the Fourth Proportional to 70,623.78, 97,461.27 and 38,792.40

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Solution

The fourth proportional to 70,623.78, 97,461.27 and 38,792.40 is: 53,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,623.78 : 97,461.27 = 38,792.40 : x
  2. Step 2: Convert to fraction form
    70,623.78/97,461.27 = 38,792.40/x
  3. Step 3: Cross multiply
    70,623.78x = 97,461.27 × 38,792.40
  4. Step 4: Simplify right side
    70,623.78x = 3,780,756,570.35
  5. Step 5: Solve for x
    x = 3,780,756,570.35/70,623.78
  6. Step 6: Final answer
    x = 53,533.76

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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.