Home / 75,128.35-112,528.77-37,623.01

Finding the Fourth Proportional to 75,128.35, 112,528.77 and 37,623.01

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Solution

The fourth proportional to 75,128.35, 112,528.77 and 37,623.01 is: 56,352.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,128.35 : 112,528.77 = 37,623.01 : x
  2. Step 2: Convert to fraction form
    75,128.35/112,528.77 = 37,623.01/x
  3. Step 3: Cross multiply
    75,128.35x = 112,528.77 × 37,623.01
  4. Step 4: Simplify right side
    75,128.35x = 4,233,671,039.00
  5. Step 5: Solve for x
    x = 4,233,671,039.00/75,128.35
  6. Step 6: Final answer
    x = 56,352.51

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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.