Home / 70,403.55-105,604.35-17,095.95

Finding the Fourth Proportional to 70,403.55, 105,604.35 and 17,095.95

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Solution

The fourth proportional to 70,403.55, 105,604.35 and 17,095.95 is: 25,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,403.55 : 105,604.35 = 17,095.95 : x
  2. Step 2: Convert to fraction form
    70,403.55/105,604.35 = 17,095.95/x
  3. Step 3: Cross multiply
    70,403.55x = 105,604.35 × 17,095.95
  4. Step 4: Simplify right side
    70,403.55x = 1,805,406,687.38
  5. Step 5: Solve for x
    x = 1,805,406,687.38/70,403.55
  6. Step 6: Final answer
    x = 25,643.69

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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.