Home / 124,902.37-172,354.87-70,451.54

Finding the Fourth Proportional to 124,902.37, 172,354.87 and 70,451.54

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Solution

The fourth proportional to 124,902.37, 172,354.87 and 70,451.54 is: 97,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,902.37 : 172,354.87 = 70,451.54 : x
  2. Step 2: Convert to fraction form
    124,902.37/172,354.87 = 70,451.54/x
  3. Step 3: Cross multiply
    124,902.37x = 172,354.87 × 70,451.54
  4. Step 4: Simplify right side
    124,902.37x = 12,142,666,018.00
  5. Step 5: Solve for x
    x = 12,142,666,018.00/124,902.37
  6. Step 6: Final answer
    x = 97,217.26

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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.