Home / 104,785.85-144,601.71-57,038.18

Finding the Fourth Proportional to 104,785.85, 144,601.71 and 57,038.18

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Solution

The fourth proportional to 104,785.85, 144,601.71 and 57,038.18 is: 78,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.85 : 144,601.71 = 57,038.18 : x
  2. Step 2: Convert to fraction form
    104,785.85/144,601.71 = 57,038.18/x
  3. Step 3: Cross multiply
    104,785.85x = 144,601.71 × 57,038.18
  4. Step 4: Simplify right side
    104,785.85x = 8,247,817,426.39
  5. Step 5: Solve for x
    x = 8,247,817,426.39/104,785.85
  6. Step 6: Final answer
    x = 78,711.17

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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.