Home / 86,355.09-119,102.49-56,150.19

Finding the Fourth Proportional to 86,355.09, 119,102.49 and 56,150.19

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Solution

The fourth proportional to 86,355.09, 119,102.49 and 56,150.19 is: 77,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,355.09 : 119,102.49 = 56,150.19 : x
  2. Step 2: Convert to fraction form
    86,355.09/119,102.49 = 56,150.19/x
  3. Step 3: Cross multiply
    86,355.09x = 119,102.49 × 56,150.19
  4. Step 4: Simplify right side
    86,355.09x = 6,687,627,442.97
  5. Step 5: Solve for x
    x = 6,687,627,442.97/86,355.09
  6. Step 6: Final answer
    x = 77,443.35

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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.