Home / 75,220.32-112,816.28-37,770.24

Finding the Fourth Proportional to 75,220.32, 112,816.28 and 37,770.24

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Solution

The fourth proportional to 75,220.32, 112,816.28 and 37,770.24 is: 56,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,220.32 : 112,816.28 = 37,770.24 : x
  2. Step 2: Convert to fraction form
    75,220.32/112,816.28 = 37,770.24/x
  3. Step 3: Cross multiply
    75,220.32x = 112,816.28 × 37,770.24
  4. Step 4: Simplify right side
    75,220.32x = 4,261,097,971.51
  5. Step 5: Solve for x
    x = 4,261,097,971.51/75,220.32
  6. Step 6: Final answer
    x = 56,648.23

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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.