Home / 91,783.04-126,649.32-54,050

Finding the Fourth Proportional to 91,783.04, 126,649.32 and 54,050

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Solution

The fourth proportional to 91,783.04, 126,649.32 and 54,050 is: 74,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,783.04 : 126,649.32 = 54,050 : x
  2. Step 2: Convert to fraction form
    91,783.04/126,649.32 = 54,050/x
  3. Step 3: Cross multiply
    91,783.04x = 126,649.32 × 54,050
  4. Step 4: Simplify right side
    91,783.04x = 6,845,395,746
  5. Step 5: Solve for x
    x = 6,845,395,746/91,783.04
  6. Step 6: Final answer
    x = 74,582.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.