Home / 70,426.54-105,643.08-26,045.02

Finding the Fourth Proportional to 70,426.54, 105,643.08 and 26,045.02

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Solution

The fourth proportional to 70,426.54, 105,643.08 and 26,045.02 is: 39,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,426.54 : 105,643.08 = 26,045.02 : x
  2. Step 2: Convert to fraction form
    70,426.54/105,643.08 = 26,045.02/x
  3. Step 3: Cross multiply
    70,426.54x = 105,643.08 × 26,045.02
  4. Step 4: Simplify right side
    70,426.54x = 2,751,476,131.46
  5. Step 5: Solve for x
    x = 2,751,476,131.46/70,426.54
  6. Step 6: Final answer
    x = 39,068.74

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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.