Home / 81,528.83-112,482.88-49,251.36

Finding the Fourth Proportional to 81,528.83, 112,482.88 and 49,251.36

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Solution

The fourth proportional to 81,528.83, 112,482.88 and 49,251.36 is: 67,950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,528.83 : 112,482.88 = 49,251.36 : x
  2. Step 2: Convert to fraction form
    81,528.83/112,482.88 = 49,251.36/x
  3. Step 3: Cross multiply
    81,528.83x = 112,482.88 × 49,251.36
  4. Step 4: Simplify right side
    81,528.83x = 5,539,934,693.59
  5. Step 5: Solve for x
    x = 5,539,934,693.59/81,528.83
  6. Step 6: Final answer
    x = 67,950.63

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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.