Home / 98,078.04-135,376.65-57,804.84

Finding the Fourth Proportional to 98,078.04, 135,376.65 and 57,804.84

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Solution

The fourth proportional to 98,078.04, 135,376.65 and 57,804.84 is: 79,787.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,078.04 : 135,376.65 = 57,804.84 : x
  2. Step 2: Convert to fraction form
    98,078.04/135,376.65 = 57,804.84/x
  3. Step 3: Cross multiply
    98,078.04x = 135,376.65 × 57,804.84
  4. Step 4: Simplify right side
    98,078.04x = 7,825,425,592.99
  5. Step 5: Solve for x
    x = 7,825,425,592.99/98,078.04
  6. Step 6: Final answer
    x = 79,787.74

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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.