Home / 70,898.09-97,838.33-40,682.75

Finding the Fourth Proportional to 70,898.09, 97,838.33 and 40,682.75

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Solution

The fourth proportional to 70,898.09, 97,838.33 and 40,682.75 is: 56,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,898.09 : 97,838.33 = 40,682.75 : x
  2. Step 2: Convert to fraction form
    70,898.09/97,838.33 = 40,682.75/x
  3. Step 3: Cross multiply
    70,898.09x = 97,838.33 × 40,682.75
  4. Step 4: Simplify right side
    70,898.09x = 3,980,331,627.20
  5. Step 5: Solve for x
    x = 3,980,331,627.20/70,898.09
  6. Step 6: Final answer
    x = 56,141.60

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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.