Home / 88,392.58-121,896.95-59,386.48

Finding the Fourth Proportional to 88,392.58, 121,896.95 and 59,386.48

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Solution

The fourth proportional to 88,392.58, 121,896.95 and 59,386.48 is: 81,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,392.58 : 121,896.95 = 59,386.48 : x
  2. Step 2: Convert to fraction form
    88,392.58/121,896.95 = 59,386.48/x
  3. Step 3: Cross multiply
    88,392.58x = 121,896.95 × 59,386.48
  4. Step 4: Simplify right side
    88,392.58x = 7,239,030,783.24
  5. Step 5: Solve for x
    x = 7,239,030,783.24/88,392.58
  6. Step 6: Final answer
    x = 81,896.36

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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.