Home / 86,457.42-119,312.16-48,731.67

Finding the Fourth Proportional to 86,457.42, 119,312.16 and 48,731.67

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Solution

The fourth proportional to 86,457.42, 119,312.16 and 48,731.67 is: 67,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,457.42 : 119,312.16 = 48,731.67 : x
  2. Step 2: Convert to fraction form
    86,457.42/119,312.16 = 48,731.67/x
  3. Step 3: Cross multiply
    86,457.42x = 119,312.16 × 48,731.67
  4. Step 4: Simplify right side
    86,457.42x = 5,814,280,808.11
  5. Step 5: Solve for x
    x = 5,814,280,808.11/86,457.42
  6. Step 6: Final answer
    x = 67,250.22

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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.