Home / 70,588.57-97,384.44-40,357.66

Finding the Fourth Proportional to 70,588.57, 97,384.44 and 40,357.66

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Solution

The fourth proportional to 70,588.57, 97,384.44 and 40,357.66 is: 55,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,588.57 : 97,384.44 = 40,357.66 : x
  2. Step 2: Convert to fraction form
    70,588.57/97,384.44 = 40,357.66/x
  3. Step 3: Cross multiply
    70,588.57x = 97,384.44 × 40,357.66
  4. Step 4: Simplify right side
    70,588.57x = 3,930,208,118.81
  5. Step 5: Solve for x
    x = 3,930,208,118.81/70,588.57
  6. Step 6: Final answer
    x = 55,677.68

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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.