Home / 88,307.54-121,821.56-52,472.18

Finding the Fourth Proportional to 88,307.54, 121,821.56 and 52,472.18

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Solution

The fourth proportional to 88,307.54, 121,821.56 and 52,472.18 is: 72,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,307.54 : 121,821.56 = 52,472.18 : x
  2. Step 2: Convert to fraction form
    88,307.54/121,821.56 = 52,472.18/x
  3. Step 3: Cross multiply
    88,307.54x = 121,821.56 × 52,472.18
  4. Step 4: Simplify right side
    88,307.54x = 6,392,242,866.39
  5. Step 5: Solve for x
    x = 6,392,242,866.39/88,307.54
  6. Step 6: Final answer
    x = 72,386.15

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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.