Home / 70,662.12-97,416.28-56,370.44

Finding the Fourth Proportional to 70,662.12, 97,416.28 and 56,370.44

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Solution

The fourth proportional to 70,662.12, 97,416.28 and 56,370.44 is: 77,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,662.12 : 97,416.28 = 56,370.44 : x
  2. Step 2: Convert to fraction form
    70,662.12/97,416.28 = 56,370.44/x
  3. Step 3: Cross multiply
    70,662.12x = 97,416.28 × 56,370.44
  4. Step 4: Simplify right side
    70,662.12x = 5,491,398,566.76
  5. Step 5: Solve for x
    x = 5,491,398,566.76/70,662.12
  6. Step 6: Final answer
    x = 77,713.47

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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.