Home / 65,926.08-90,965.16-53,328.96

Finding the Fourth Proportional to 65,926.08, 90,965.16 and 53,328.96

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Solution

The fourth proportional to 65,926.08, 90,965.16 and 53,328.96 is: 73,583.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,926.08 : 90,965.16 = 53,328.96 : x
  2. Step 2: Convert to fraction form
    65,926.08/90,965.16 = 53,328.96/x
  3. Step 3: Cross multiply
    65,926.08x = 90,965.16 × 53,328.96
  4. Step 4: Simplify right side
    65,926.08x = 4,851,077,379.03
  5. Step 5: Solve for x
    x = 4,851,077,379.03/65,926.08
  6. Step 6: Final answer
    x = 73,583.59

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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.