Home / 99,070.56-148,612.32-28,944

Finding the Fourth Proportional to 99,070.56, 148,612.32 and 28,944

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Solution

The fourth proportional to 99,070.56, 148,612.32 and 28,944 is: 43,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,070.56 : 148,612.32 = 28,944 : x
  2. Step 2: Convert to fraction form
    99,070.56/148,612.32 = 28,944/x
  3. Step 3: Cross multiply
    99,070.56x = 148,612.32 × 28,944
  4. Step 4: Simplify right side
    99,070.56x = 4,301,434,990.08
  5. Step 5: Solve for x
    x = 4,301,434,990.08/99,070.56
  6. Step 6: Final answer
    x = 43,417.89

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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.