Home / 98,644.23-136,130.03-53,323.06

Finding the Fourth Proportional to 98,644.23, 136,130.03 and 53,323.06

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Solution

The fourth proportional to 98,644.23, 136,130.03 and 53,323.06 is: 73,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,644.23 : 136,130.03 = 53,323.06 : x
  2. Step 2: Convert to fraction form
    98,644.23/136,130.03 = 53,323.06/x
  3. Step 3: Cross multiply
    98,644.23x = 136,130.03 × 53,323.06
  4. Step 4: Simplify right side
    98,644.23x = 7,258,869,757.49
  5. Step 5: Solve for x
    x = 7,258,869,757.49/98,644.23
  6. Step 6: Final answer
    x = 73,586.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.