Home / 98,880.07-148,320.01-39,715.75

Finding the Fourth Proportional to 98,880.07, 148,320.01 and 39,715.75

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Solution

The fourth proportional to 98,880.07, 148,320.01 and 39,715.75 is: 59,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,880.07 : 148,320.01 = 39,715.75 : x
  2. Step 2: Convert to fraction form
    98,880.07/148,320.01 = 39,715.75/x
  3. Step 3: Cross multiply
    98,880.07x = 148,320.01 × 39,715.75
  4. Step 4: Simplify right side
    98,880.07x = 5,890,640,437.16
  5. Step 5: Solve for x
    x = 5,890,640,437.16/98,880.07
  6. Step 6: Final answer
    x = 59,573.59

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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.