Home / 112,389.60-168,365.70-62,380.20

Finding the Fourth Proportional to 112,389.60, 168,365.70 and 62,380.20

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Solution

The fourth proportional to 112,389.60, 168,365.70 and 62,380.20 is: 93,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,389.60 : 168,365.70 = 62,380.20 : x
  2. Step 2: Convert to fraction form
    112,389.60/168,365.70 = 62,380.20/x
  3. Step 3: Cross multiply
    112,389.60x = 168,365.70 × 62,380.20
  4. Step 4: Simplify right side
    112,389.60x = 10,502,686,039.14
  5. Step 5: Solve for x
    x = 10,502,686,039.14/112,389.60
  6. Step 6: Final answer
    x = 93,448.91

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1.5x scale

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.