Home / 98,750.08-148,136.64-34,688.56

Finding the Fourth Proportional to 98,750.08, 148,136.64 and 34,688.56

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Solution

The fourth proportional to 98,750.08, 148,136.64 and 34,688.56 is: 52,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,750.08 : 148,136.64 = 34,688.56 : x
  2. Step 2: Convert to fraction form
    98,750.08/148,136.64 = 34,688.56/x
  3. Step 3: Cross multiply
    98,750.08x = 148,136.64 × 34,688.56
  4. Step 4: Simplify right side
    98,750.08x = 5,138,646,724.84
  5. Step 5: Solve for x
    x = 5,138,646,724.84/98,750.08
  6. Step 6: Final answer
    x = 52,036.89

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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.