Home / 124,809.36-172,254.86-71,099.48

Finding the Fourth Proportional to 124,809.36, 172,254.86 and 71,099.48

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Solution

The fourth proportional to 124,809.36, 172,254.86 and 71,099.48 is: 98,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,809.36 : 172,254.86 = 71,099.48 : x
  2. Step 2: Convert to fraction form
    124,809.36/172,254.86 = 71,099.48/x
  3. Step 3: Cross multiply
    124,809.36x = 172,254.86 × 71,099.48
  4. Step 4: Simplify right side
    124,809.36x = 12,247,229,756.70
  5. Step 5: Solve for x
    x = 12,247,229,756.70/124,809.36
  6. Step 6: Final answer
    x = 98,127.49

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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.