Home / 70,296.04-105,340.38-39,122.92

Finding the Fourth Proportional to 70,296.04, 105,340.38 and 39,122.92

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Solution

The fourth proportional to 70,296.04, 105,340.38 and 39,122.92 is: 58,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,296.04 : 105,340.38 = 39,122.92 : x
  2. Step 2: Convert to fraction form
    70,296.04/105,340.38 = 39,122.92/x
  3. Step 3: Cross multiply
    70,296.04x = 105,340.38 × 39,122.92
  4. Step 4: Simplify right side
    70,296.04x = 4,121,223,259.51
  5. Step 5: Solve for x
    x = 4,121,223,259.51/70,296.04
  6. Step 6: Final answer
    x = 58,626.68

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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.