Home / 53,685.86-74,156.20-40,861.13

Finding the Fourth Proportional to 53,685.86, 74,156.20 and 40,861.13

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Solution

The fourth proportional to 53,685.86, 74,156.20 and 40,861.13 is: 56,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,685.86 : 74,156.20 = 40,861.13 : x
  2. Step 2: Convert to fraction form
    53,685.86/74,156.20 = 40,861.13/x
  3. Step 3: Cross multiply
    53,685.86x = 74,156.20 × 40,861.13
  4. Step 4: Simplify right side
    53,685.86x = 3,030,105,655.57
  5. Step 5: Solve for x
    x = 3,030,105,655.57/53,685.86
  6. Step 6: Final answer
    x = 56,441.42

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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.