Home / 86,457.38-119,313-48,731.63

Finding the Fourth Proportional to 86,457.38, 119,313 and 48,731.63

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Solution

The fourth proportional to 86,457.38, 119,313 and 48,731.63 is: 67,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,457.38 : 119,313 = 48,731.63 : x
  2. Step 2: Convert to fraction form
    86,457.38/119,313 = 48,731.63/x
  3. Step 3: Cross multiply
    86,457.38x = 119,313 × 48,731.63
  4. Step 4: Simplify right side
    86,457.38x = 5,814,316,373.63
  5. Step 5: Solve for x
    x = 5,814,316,373.63/86,457.38
  6. Step 6: Final answer
    x = 67,250.67

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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.