Home / 126,582.76-189,762.40-47,752.35

Finding the Fourth Proportional to 126,582.76, 189,762.40 and 47,752.35

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Solution

The fourth proportional to 126,582.76, 189,762.40 and 47,752.35 is: 71,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,582.76 : 189,762.40 = 47,752.35 : x
  2. Step 2: Convert to fraction form
    126,582.76/189,762.40 = 47,752.35/x
  3. Step 3: Cross multiply
    126,582.76x = 189,762.40 × 47,752.35
  4. Step 4: Simplify right side
    126,582.76x = 9,061,599,354.07
  5. Step 5: Solve for x
    x = 9,061,599,354.07/126,582.76
  6. Step 6: Final answer
    x = 71,586.36

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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.