Home / 112,412.70-168,570.45-56,231.10

Finding the Fourth Proportional to 112,412.70, 168,570.45 and 56,231.10

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Solution

The fourth proportional to 112,412.70, 168,570.45 and 56,231.10 is: 84,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,412.70 : 168,570.45 = 56,231.10 : x
  2. Step 2: Convert to fraction form
    112,412.70/168,570.45 = 56,231.10/x
  3. Step 3: Cross multiply
    112,412.70x = 168,570.45 × 56,231.10
  4. Step 4: Simplify right side
    112,412.70x = 9,478,901,831.00
  5. Step 5: Solve for x
    x = 9,478,901,831.00/112,412.70
  6. Step 6: Final answer
    x = 84,322.34

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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.