Home / 102,899.16-142,004.88-60,457.32

Finding the Fourth Proportional to 102,899.16, 142,004.88 and 60,457.32

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Solution

The fourth proportional to 102,899.16, 142,004.88 and 60,457.32 is: 83,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,899.16 : 142,004.88 = 60,457.32 : x
  2. Step 2: Convert to fraction form
    102,899.16/142,004.88 = 60,457.32/x
  3. Step 3: Cross multiply
    102,899.16x = 142,004.88 × 60,457.32
  4. Step 4: Simplify right side
    102,899.16x = 8,585,234,471.72
  5. Step 5: Solve for x
    x = 8,585,234,471.72/102,899.16
  6. Step 6: Final answer
    x = 83,433.47

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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.