Home / 86,454.88-119,406.15-58,111.36

Finding the Fourth Proportional to 86,454.88, 119,406.15 and 58,111.36

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Solution

The fourth proportional to 86,454.88, 119,406.15 and 58,111.36 is: 80,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,454.88 : 119,406.15 = 58,111.36 : x
  2. Step 2: Convert to fraction form
    86,454.88/119,406.15 = 58,111.36/x
  3. Step 3: Cross multiply
    86,454.88x = 119,406.15 × 58,111.36
  4. Step 4: Simplify right side
    86,454.88x = 6,938,852,881.28
  5. Step 5: Solve for x
    x = 6,938,852,881.28/86,454.88
  6. Step 6: Final answer
    x = 80,259.82

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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.