Home / 67,471.83-93,138.39-40,637.34

Finding the Fourth Proportional to 67,471.83, 93,138.39 and 40,637.34

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Solution

The fourth proportional to 67,471.83, 93,138.39 and 40,637.34 is: 56,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,471.83 : 93,138.39 = 40,637.34 : x
  2. Step 2: Convert to fraction form
    67,471.83/93,138.39 = 40,637.34/x
  3. Step 3: Cross multiply
    67,471.83x = 93,138.39 × 40,637.34
  4. Step 4: Simplify right side
    67,471.83x = 3,784,896,421.48
  5. Step 5: Solve for x
    x = 3,784,896,421.48/67,471.83
  6. Step 6: Final answer
    x = 56,095.95

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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.