Home / 105,033.16-144,944.40-57,285.48

Finding the Fourth Proportional to 105,033.16, 144,944.40 and 57,285.48

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Solution

The fourth proportional to 105,033.16, 144,944.40 and 57,285.48 is: 79,053.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,033.16 : 144,944.40 = 57,285.48 : x
  2. Step 2: Convert to fraction form
    105,033.16/144,944.40 = 57,285.48/x
  3. Step 3: Cross multiply
    105,033.16x = 144,944.40 × 57,285.48
  4. Step 4: Simplify right side
    105,033.16x = 8,303,209,527.31
  5. Step 5: Solve for x
    x = 8,303,209,527.31/105,033.16
  6. Step 6: Final answer
    x = 79,053.22

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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.