Home / 88,702.36-133,085.02-55,383.80

Finding the Fourth Proportional to 88,702.36, 133,085.02 and 55,383.80

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Solution

The fourth proportional to 88,702.36, 133,085.02 and 55,383.80 is: 83,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,702.36 : 133,085.02 = 55,383.80 : x
  2. Step 2: Convert to fraction form
    88,702.36/133,085.02 = 55,383.80/x
  3. Step 3: Cross multiply
    88,702.36x = 133,085.02 × 55,383.80
  4. Step 4: Simplify right side
    88,702.36x = 7,370,754,130.68
  5. Step 5: Solve for x
    x = 7,370,754,130.68/88,702.36
  6. Step 6: Final answer
    x = 83,095.36

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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.