Home / 124,410.08-171,686.50-70,698

Finding the Fourth Proportional to 124,410.08, 171,686.50 and 70,698

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Solution

The fourth proportional to 124,410.08, 171,686.50 and 70,698 is: 97,563.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,410.08 : 171,686.50 = 70,698 : x
  2. Step 2: Convert to fraction form
    124,410.08/171,686.50 = 70,698/x
  3. Step 3: Cross multiply
    124,410.08x = 171,686.50 × 70,698
  4. Step 4: Simplify right side
    124,410.08x = 12,137,892,177
  5. Step 5: Solve for x
    x = 12,137,892,177/124,410.08
  6. Step 6: Final answer
    x = 97,563.58

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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.