Home / 98,628.64-148,048.24-42,496.58

Finding the Fourth Proportional to 98,628.64, 148,048.24 and 42,496.58

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Solution

The fourth proportional to 98,628.64, 148,048.24 and 42,496.58 is: 63,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,628.64 : 148,048.24 = 42,496.58 : x
  2. Step 2: Convert to fraction form
    98,628.64/148,048.24 = 42,496.58/x
  3. Step 3: Cross multiply
    98,628.64x = 148,048.24 × 42,496.58
  4. Step 4: Simplify right side
    98,628.64x = 6,291,543,875.02
  5. Step 5: Solve for x
    x = 6,291,543,875.02/98,628.64
  6. Step 6: Final answer
    x = 63,790.23

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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.