Home / 104,763.79-144,574.47-57,017.59

Finding the Fourth Proportional to 104,763.79, 144,574.47 and 57,017.59

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Solution

The fourth proportional to 104,763.79, 144,574.47 and 57,017.59 is: 78,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,763.79 : 144,574.47 = 57,017.59 : x
  2. Step 2: Convert to fraction form
    104,763.79/144,574.47 = 57,017.59/x
  3. Step 3: Cross multiply
    104,763.79x = 144,574.47 × 57,017.59
  4. Step 4: Simplify right side
    104,763.79x = 8,243,287,854.93
  5. Step 5: Solve for x
    x = 8,243,287,854.93/104,763.79
  6. Step 6: Final answer
    x = 78,684.51

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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.