Home / 86,401.32-119,235.02-48,159.81

Finding the Fourth Proportional to 86,401.32, 119,235.02 and 48,159.81

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Solution

The fourth proportional to 86,401.32, 119,235.02 and 48,159.81 is: 66,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,401.32 : 119,235.02 = 48,159.81 : x
  2. Step 2: Convert to fraction form
    86,401.32/119,235.02 = 48,159.81/x
  3. Step 3: Cross multiply
    86,401.32x = 119,235.02 × 48,159.81
  4. Step 4: Simplify right side
    86,401.32x = 5,742,335,908.55
  5. Step 5: Solve for x
    x = 5,742,335,908.55/86,401.32
  6. Step 6: Final answer
    x = 66,461.21

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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.