Home / 82,445.28-123,653.58-38,068.26

Finding the Fourth Proportional to 82,445.28, 123,653.58 and 38,068.26

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Solution

The fourth proportional to 82,445.28, 123,653.58 and 38,068.26 is: 57,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,445.28 : 123,653.58 = 38,068.26 : x
  2. Step 2: Convert to fraction form
    82,445.28/123,653.58 = 38,068.26/x
  3. Step 3: Cross multiply
    82,445.28x = 123,653.58 × 38,068.26
  4. Step 4: Simplify right side
    82,445.28x = 4,707,276,633.37
  5. Step 5: Solve for x
    x = 4,707,276,633.37/82,445.28
  6. Step 6: Final answer
    x = 57,095.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.