Home / 75,177.51-112,840.07-56,503.26

Finding the Fourth Proportional to 75,177.51, 112,840.07 and 56,503.26

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Solution

The fourth proportional to 75,177.51, 112,840.07 and 56,503.26 is: 84,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,177.51 : 112,840.07 = 56,503.26 : x
  2. Step 2: Convert to fraction form
    75,177.51/112,840.07 = 56,503.26/x
  3. Step 3: Cross multiply
    75,177.51x = 112,840.07 × 56,503.26
  4. Step 4: Simplify right side
    75,177.51x = 6,375,831,813.63
  5. Step 5: Solve for x
    x = 6,375,831,813.63/75,177.51
  6. Step 6: Final answer
    x = 84,810.36

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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.