Home / 70,455.43-97,228.47-38,623.65

Finding the Fourth Proportional to 70,455.43, 97,228.47 and 38,623.65

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Solution

The fourth proportional to 70,455.43, 97,228.47 and 38,623.65 is: 53,300.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,455.43 : 97,228.47 = 38,623.65 : x
  2. Step 2: Convert to fraction form
    70,455.43/97,228.47 = 38,623.65/x
  3. Step 3: Cross multiply
    70,455.43x = 97,228.47 × 38,623.65
  4. Step 4: Simplify right side
    70,455.43x = 3,755,318,395.32
  5. Step 5: Solve for x
    x = 3,755,318,395.32/70,455.43
  6. Step 6: Final answer
    x = 53,300.62

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1.5x scale

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.