Home / 98,573.46-147,965.40-42,441.36

Finding the Fourth Proportional to 98,573.46, 147,965.40 and 42,441.36

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Solution

The fourth proportional to 98,573.46, 147,965.40 and 42,441.36 is: 63,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,573.46 : 147,965.40 = 42,441.36 : x
  2. Step 2: Convert to fraction form
    98,573.46/147,965.40 = 42,441.36/x
  3. Step 3: Cross multiply
    98,573.46x = 147,965.40 × 42,441.36
  4. Step 4: Simplify right side
    98,573.46x = 6,279,852,808.94
  5. Step 5: Solve for x
    x = 6,279,852,808.94/98,573.46
  6. Step 6: Final answer
    x = 63,707.34

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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.