Home / 124,657.15-187,090.34-64,722.42

Finding the Fourth Proportional to 124,657.15, 187,090.34 and 64,722.42

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Solution

The fourth proportional to 124,657.15, 187,090.34 and 64,722.42 is: 97,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,657.15 : 187,090.34 = 64,722.42 : x
  2. Step 2: Convert to fraction form
    124,657.15/187,090.34 = 64,722.42/x
  3. Step 3: Cross multiply
    124,657.15x = 187,090.34 × 64,722.42
  4. Step 4: Simplify right side
    124,657.15x = 12,108,939,077.68
  5. Step 5: Solve for x
    x = 12,108,939,077.68/124,657.15
  6. Step 6: Final answer
    x = 97,137.94

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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.