Home / 86,354.40-119,165.04-58,055.52

Finding the Fourth Proportional to 86,354.40, 119,165.04 and 58,055.52

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Solution

The fourth proportional to 86,354.40, 119,165.04 and 58,055.52 is: 80,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,354.40 : 119,165.04 = 58,055.52 : x
  2. Step 2: Convert to fraction form
    86,354.40/119,165.04 = 58,055.52/x
  3. Step 3: Cross multiply
    86,354.40x = 119,165.04 × 58,055.52
  4. Step 4: Simplify right side
    86,354.40x = 6,918,188,363.02
  5. Step 5: Solve for x
    x = 6,918,188,363.02/86,354.40
  6. Step 6: Final answer
    x = 80,113.91

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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.