Home / 72,770.08-109,155.12-26,036.32

Finding the Fourth Proportional to 72,770.08, 109,155.12 and 26,036.32

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Solution

The fourth proportional to 72,770.08, 109,155.12 and 26,036.32 is: 39,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,770.08 : 109,155.12 = 26,036.32 : x
  2. Step 2: Convert to fraction form
    72,770.08/109,155.12 = 26,036.32/x
  3. Step 3: Cross multiply
    72,770.08x = 109,155.12 × 26,036.32
  4. Step 4: Simplify right side
    72,770.08x = 2,841,997,633.96
  5. Step 5: Solve for x
    x = 2,841,997,633.96/72,770.08
  6. Step 6: Final answer
    x = 39,054.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.