Home / 70,185.04-105,297.12-39,042.16

Finding the Fourth Proportional to 70,185.04, 105,297.12 and 39,042.16

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Solution

The fourth proportional to 70,185.04, 105,297.12 and 39,042.16 is: 58,574.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,185.04 : 105,297.12 = 39,042.16 : x
  2. Step 2: Convert to fraction form
    70,185.04/105,297.12 = 39,042.16/x
  3. Step 3: Cross multiply
    70,185.04x = 105,297.12 × 39,042.16
  4. Step 4: Simplify right side
    70,185.04x = 4,111,027,006.58
  5. Step 5: Solve for x
    x = 4,111,027,006.58/70,185.04
  6. Step 6: Final answer
    x = 58,574.12

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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.