Home / 70,368.14-105,552.18-17,777.61

Finding the Fourth Proportional to 70,368.14, 105,552.18 and 17,777.61

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Solution

The fourth proportional to 70,368.14, 105,552.18 and 17,777.61 is: 26,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,368.14 : 105,552.18 = 17,777.61 : x
  2. Step 2: Convert to fraction form
    70,368.14/105,552.18 = 17,777.61/x
  3. Step 3: Cross multiply
    70,368.14x = 105,552.18 × 17,777.61
  4. Step 4: Simplify right side
    70,368.14x = 1,876,465,490.69
  5. Step 5: Solve for x
    x = 1,876,465,490.69/70,368.14
  6. Step 6: Final answer
    x = 26,666.41

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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.