Home / 102,630.42-153,828.18-46,385.64

Finding the Fourth Proportional to 102,630.42, 153,828.18 and 46,385.64

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Solution

The fourth proportional to 102,630.42, 153,828.18 and 46,385.64 is: 69,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,630.42 : 153,828.18 = 46,385.64 : x
  2. Step 2: Convert to fraction form
    102,630.42/153,828.18 = 46,385.64/x
  3. Step 3: Cross multiply
    102,630.42x = 153,828.18 × 46,385.64
  4. Step 4: Simplify right side
    102,630.42x = 7,135,418,579.34
  5. Step 5: Solve for x
    x = 7,135,418,579.34/102,630.42
  6. Step 6: Final answer
    x = 69,525.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.