Home / 98,762.03-136,290.58-53,439.02

Finding the Fourth Proportional to 98,762.03, 136,290.58 and 53,439.02

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Solution

The fourth proportional to 98,762.03, 136,290.58 and 53,439.02 is: 73,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,762.03 : 136,290.58 = 53,439.02 : x
  2. Step 2: Convert to fraction form
    98,762.03/136,290.58 = 53,439.02/x
  3. Step 3: Cross multiply
    98,762.03x = 136,290.58 × 53,439.02
  4. Step 4: Simplify right side
    98,762.03x = 7,283,234,482.58
  5. Step 5: Solve for x
    x = 7,283,234,482.58/98,762.03
  6. Step 6: Final answer
    x = 73,745.29

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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.