Home / 86,528.42-119,408.01-48,814.82

Finding the Fourth Proportional to 86,528.42, 119,408.01 and 48,814.82

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Solution

The fourth proportional to 86,528.42, 119,408.01 and 48,814.82 is: 67,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,528.42 : 119,408.01 = 48,814.82 : x
  2. Step 2: Convert to fraction form
    86,528.42/119,408.01 = 48,814.82/x
  3. Step 3: Cross multiply
    86,528.42x = 119,408.01 × 48,814.82
  4. Step 4: Simplify right side
    86,528.42x = 5,828,880,514.71
  5. Step 5: Solve for x
    x = 5,828,880,514.71/86,528.42
  6. Step 6: Final answer
    x = 67,363.77

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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.