Home / 105,048.14-144,968.46-57,303.24

Finding the Fourth Proportional to 105,048.14, 144,968.46 and 57,303.24

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Solution

The fourth proportional to 105,048.14, 144,968.46 and 57,303.24 is: 79,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,048.14 : 144,968.46 = 57,303.24 : x
  2. Step 2: Convert to fraction form
    105,048.14/144,968.46 = 57,303.24/x
  3. Step 3: Cross multiply
    105,048.14x = 144,968.46 × 57,303.24
  4. Step 4: Simplify right side
    105,048.14x = 8,307,162,455.81
  5. Step 5: Solve for x
    x = 8,307,162,455.81/105,048.14
  6. Step 6: Final answer
    x = 79,079.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.