Home / 124,927.36-187,090.76-71,457.23

Finding the Fourth Proportional to 124,927.36, 187,090.76 and 71,457.23

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Solution

The fourth proportional to 124,927.36, 187,090.76 and 71,457.23 is: 107,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,927.36 : 187,090.76 = 71,457.23 : x
  2. Step 2: Convert to fraction form
    124,927.36/187,090.76 = 71,457.23/x
  3. Step 3: Cross multiply
    124,927.36x = 187,090.76 × 71,457.23
  4. Step 4: Simplify right side
    124,927.36x = 13,368,988,114.56
  5. Step 5: Solve for x
    x = 13,368,988,114.56/124,927.36
  6. Step 6: Final answer
    x = 107,014.10

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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.