Home / 88,018.80-121,427.82-58,912.26

Finding the Fourth Proportional to 88,018.80, 121,427.82 and 58,912.26

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Solution

The fourth proportional to 88,018.80, 121,427.82 and 58,912.26 is: 81,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,018.80 : 121,427.82 = 58,912.26 : x
  2. Step 2: Convert to fraction form
    88,018.80/121,427.82 = 58,912.26/x
  3. Step 3: Cross multiply
    88,018.80x = 121,427.82 × 58,912.26
  4. Step 4: Simplify right side
    88,018.80x = 7,153,587,303.07
  5. Step 5: Solve for x
    x = 7,153,587,303.07/88,018.80
  6. Step 6: Final answer
    x = 81,273.40

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1.5x scale

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.