Home / 70,591.13-97,416.30-40,374.63

Finding the Fourth Proportional to 70,591.13, 97,416.30 and 40,374.63

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Solution

The fourth proportional to 70,591.13, 97,416.30 and 40,374.63 is: 55,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,591.13 : 97,416.30 = 40,374.63 : x
  2. Step 2: Convert to fraction form
    70,591.13/97,416.30 = 40,374.63/x
  3. Step 3: Cross multiply
    70,591.13x = 97,416.30 × 40,374.63
  4. Step 4: Simplify right side
    70,591.13x = 3,933,147,068.47
  5. Step 5: Solve for x
    x = 3,933,147,068.47/70,591.13
  6. Step 6: Final answer
    x = 55,717.30

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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.