Home / 98,398.04-147,640.26-51,639.98

Finding the Fourth Proportional to 98,398.04, 147,640.26 and 51,639.98

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Solution

The fourth proportional to 98,398.04, 147,640.26 and 51,639.98 is: 77,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,398.04 : 147,640.26 = 51,639.98 : x
  2. Step 2: Convert to fraction form
    98,398.04/147,640.26 = 51,639.98/x
  3. Step 3: Cross multiply
    98,398.04x = 147,640.26 × 51,639.98
  4. Step 4: Simplify right side
    98,398.04x = 7,624,140,073.59
  5. Step 5: Solve for x
    x = 7,624,140,073.59/98,398.04
  6. Step 6: Final answer
    x = 77,482.64

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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.