Home / 104,783.04-144,600.63-57,036.72

Finding the Fourth Proportional to 104,783.04, 144,600.63 and 57,036.72

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Solution

The fourth proportional to 104,783.04, 144,600.63 and 57,036.72 is: 78,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,783.04 : 144,600.63 = 57,036.72 : x
  2. Step 2: Convert to fraction form
    104,783.04/144,600.63 = 57,036.72/x
  3. Step 3: Cross multiply
    104,783.04x = 144,600.63 × 57,036.72
  4. Step 4: Simplify right side
    104,783.04x = 8,247,545,645.13
  5. Step 5: Solve for x
    x = 8,247,545,645.13/104,783.04
  6. Step 6: Final answer
    x = 78,710.69

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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.