Home / 70,364.26-105,573.44-42,303.69

Finding the Fourth Proportional to 70,364.26, 105,573.44 and 42,303.69

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Solution

The fourth proportional to 70,364.26, 105,573.44 and 42,303.69 is: 63,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,364.26 : 105,573.44 = 42,303.69 : x
  2. Step 2: Convert to fraction form
    70,364.26/105,573.44 = 42,303.69/x
  3. Step 3: Cross multiply
    70,364.26x = 105,573.44 × 42,303.69
  4. Step 4: Simplify right side
    70,364.26x = 4,466,146,077.99
  5. Step 5: Solve for x
    x = 4,466,146,077.99/70,364.26
  6. Step 6: Final answer
    x = 63,471.80

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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.