Home / 67,420.29-92,999.91-43,561.03

Finding the Fourth Proportional to 67,420.29, 92,999.91 and 43,561.03

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Solution

The fourth proportional to 67,420.29, 92,999.91 and 43,561.03 is: 60,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420.29 : 92,999.91 = 43,561.03 : x
  2. Step 2: Convert to fraction form
    67,420.29/92,999.91 = 43,561.03/x
  3. Step 3: Cross multiply
    67,420.29x = 92,999.91 × 43,561.03
  4. Step 4: Simplify right side
    67,420.29x = 4,051,171,869.51
  5. Step 5: Solve for x
    x = 4,051,171,869.51/67,420.29
  6. Step 6: Final answer
    x = 60,088.32

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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.