Home / 118,006.40-176,944-39,077.58

Finding the Fourth Proportional to 118,006.40, 176,944 and 39,077.58

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Solution

The fourth proportional to 118,006.40, 176,944 and 39,077.58 is: 58,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,006.40 : 176,944 = 39,077.58 : x
  2. Step 2: Convert to fraction form
    118,006.40/176,944 = 39,077.58/x
  3. Step 3: Cross multiply
    118,006.40x = 176,944 × 39,077.58
  4. Step 4: Simplify right side
    118,006.40x = 6,914,543,315.52
  5. Step 5: Solve for x
    x = 6,914,543,315.52/118,006.40
  6. Step 6: Final answer
    x = 58,594.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.