Home / 94,005.84-129,721.32-51,557.52

Finding the Fourth Proportional to 94,005.84, 129,721.32 and 51,557.52

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Solution

The fourth proportional to 94,005.84, 129,721.32 and 51,557.52 is: 71,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,005.84 : 129,721.32 = 51,557.52 : x
  2. Step 2: Convert to fraction form
    94,005.84/129,721.32 = 51,557.52/x
  3. Step 3: Cross multiply
    94,005.84x = 129,721.32 × 51,557.52
  4. Step 4: Simplify right side
    94,005.84x = 6,688,109,550.33
  5. Step 5: Solve for x
    x = 6,688,109,550.33/94,005.84
  6. Step 6: Final answer
    x = 71,145.68

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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.