Home / 125,784.48-173,582.56-75,483.52

Finding the Fourth Proportional to 125,784.48, 173,582.56 and 75,483.52

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Solution

The fourth proportional to 125,784.48, 173,582.56 and 75,483.52 is: 104,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,784.48 : 173,582.56 = 75,483.52 : x
  2. Step 2: Convert to fraction form
    125,784.48/173,582.56 = 75,483.52/x
  3. Step 3: Cross multiply
    125,784.48x = 173,582.56 × 75,483.52
  4. Step 4: Simplify right side
    125,784.48x = 13,102,622,639.41
  5. Step 5: Solve for x
    x = 13,102,622,639.41/125,784.48
  6. Step 6: Final answer
    x = 104,167.24

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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.