Home / 86,400.32-119,233.64-48,158.81

Finding the Fourth Proportional to 86,400.32, 119,233.64 and 48,158.81

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Solution

The fourth proportional to 86,400.32, 119,233.64 and 48,158.81 is: 66,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,400.32 : 119,233.64 = 48,158.81 : x
  2. Step 2: Convert to fraction form
    86,400.32/119,233.64 = 48,158.81/x
  3. Step 3: Cross multiply
    86,400.32x = 119,233.64 × 48,158.81
  4. Step 4: Simplify right side
    86,400.32x = 5,742,149,377.41
  5. Step 5: Solve for x
    x = 5,742,149,377.41/86,400.32
  6. Step 6: Final answer
    x = 66,459.82

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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.