Home / 70,586.01-97,416.45-40,374.16

Finding the Fourth Proportional to 70,586.01, 97,416.45 and 40,374.16

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Solution

The fourth proportional to 70,586.01, 97,416.45 and 40,374.16 is: 55,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,586.01 : 97,416.45 = 40,374.16 : x
  2. Step 2: Convert to fraction form
    70,586.01/97,416.45 = 40,374.16/x
  3. Step 3: Cross multiply
    70,586.01x = 97,416.45 × 40,374.16
  4. Step 4: Simplify right side
    70,586.01x = 3,933,107,095.39
  5. Step 5: Solve for x
    x = 3,933,107,095.39/70,586.01
  6. Step 6: Final answer
    x = 55,720.77

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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.