Home / 67,637.19-93,376.89-40,786.50

Finding the Fourth Proportional to 67,637.19, 93,376.89 and 40,786.50

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Solution

The fourth proportional to 67,637.19, 93,376.89 and 40,786.50 is: 56,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,637.19 : 93,376.89 = 40,786.50 : x
  2. Step 2: Convert to fraction form
    67,637.19/93,376.89 = 40,786.50/x
  3. Step 3: Cross multiply
    67,637.19x = 93,376.89 × 40,786.50
  4. Step 4: Simplify right side
    67,637.19x = 3,808,516,523.99
  5. Step 5: Solve for x
    x = 3,808,516,523.99/67,637.19
  6. Step 6: Final answer
    x = 56,308.02

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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.