Home / 86,741.07-119,722.73-56,473.76

Finding the Fourth Proportional to 86,741.07, 119,722.73 and 56,473.76

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Solution

The fourth proportional to 86,741.07, 119,722.73 and 56,473.76 is: 77,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,741.07 : 119,722.73 = 56,473.76 : x
  2. Step 2: Convert to fraction form
    86,741.07/119,722.73 = 56,473.76/x
  3. Step 3: Cross multiply
    86,741.07x = 119,722.73 × 56,473.76
  4. Step 4: Simplify right side
    86,741.07x = 6,761,191,839.58
  5. Step 5: Solve for x
    x = 6,761,191,839.58/86,741.07
  6. Step 6: Final answer
    x = 77,946.83

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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.