Home / 81,450.18-112,329.45-58,783.14

Finding the Fourth Proportional to 81,450.18, 112,329.45 and 58,783.14

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Solution

The fourth proportional to 81,450.18, 112,329.45 and 58,783.14 is: 81,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,450.18 : 112,329.45 = 58,783.14 : x
  2. Step 2: Convert to fraction form
    81,450.18/112,329.45 = 58,783.14/x
  3. Step 3: Cross multiply
    81,450.18x = 112,329.45 × 58,783.14
  4. Step 4: Simplify right side
    81,450.18x = 6,603,077,785.47
  5. Step 5: Solve for x
    x = 6,603,077,785.47/81,450.18
  6. Step 6: Final answer
    x = 81,068.92

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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.