Home / 89,988.36-124,199.16-52,284.48

Finding the Fourth Proportional to 89,988.36, 124,199.16 and 52,284.48

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Solution

The fourth proportional to 89,988.36, 124,199.16 and 52,284.48 is: 72,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,988.36 : 124,199.16 = 52,284.48 : x
  2. Step 2: Convert to fraction form
    89,988.36/124,199.16 = 52,284.48/x
  3. Step 3: Cross multiply
    89,988.36x = 124,199.16 × 52,284.48
  4. Step 4: Simplify right side
    89,988.36x = 6,493,688,497.04
  5. Step 5: Solve for x
    x = 6,493,688,497.04/89,988.36
  6. Step 6: Final answer
    x = 72,161.43

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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.