Home / 86,048.48-118,748.40-47,811.52

Finding the Fourth Proportional to 86,048.48, 118,748.40 and 47,811.52

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Solution

The fourth proportional to 86,048.48, 118,748.40 and 47,811.52 is: 65,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,048.48 : 118,748.40 = 47,811.52 : x
  2. Step 2: Convert to fraction form
    86,048.48/118,748.40 = 47,811.52/x
  3. Step 3: Cross multiply
    86,048.48x = 118,748.40 × 47,811.52
  4. Step 4: Simplify right side
    86,048.48x = 5,677,541,501.57
  5. Step 5: Solve for x
    x = 5,677,541,501.57/86,048.48
  6. Step 6: Final answer
    x = 65,980.73

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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.