Home / 88,130.18-121,619.73-47,843.91

Finding the Fourth Proportional to 88,130.18, 121,619.73 and 47,843.91

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Solution

The fourth proportional to 88,130.18, 121,619.73 and 47,843.91 is: 66,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,130.18 : 121,619.73 = 47,843.91 : x
  2. Step 2: Convert to fraction form
    88,130.18/121,619.73 = 47,843.91/x
  3. Step 3: Cross multiply
    88,130.18x = 121,619.73 × 47,843.91
  4. Step 4: Simplify right side
    88,130.18x = 5,818,763,416.34
  5. Step 5: Solve for x
    x = 5,818,763,416.34/88,130.18
  6. Step 6: Final answer
    x = 66,024.64

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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.