Home / 86,269.32-119,051.57-48,543.57

Finding the Fourth Proportional to 86,269.32, 119,051.57 and 48,543.57

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Solution

The fourth proportional to 86,269.32, 119,051.57 and 48,543.57 is: 66,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,269.32 : 119,051.57 = 48,543.57 : x
  2. Step 2: Convert to fraction form
    86,269.32/119,051.57 = 48,543.57/x
  3. Step 3: Cross multiply
    86,269.32x = 119,051.57 × 48,543.57
  4. Step 4: Simplify right side
    86,269.32x = 5,779,188,343.26
  5. Step 5: Solve for x
    x = 5,779,188,343.26/86,269.32
  6. Step 6: Final answer
    x = 66,990.08

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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.