Home / 89,784.90-134,612.55-58,637.70

Finding the Fourth Proportional to 89,784.90, 134,612.55 and 58,637.70

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Solution

The fourth proportional to 89,784.90, 134,612.55 and 58,637.70 is: 87,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,784.90 : 134,612.55 = 58,637.70 : x
  2. Step 2: Convert to fraction form
    89,784.90/134,612.55 = 58,637.70/x
  3. Step 3: Cross multiply
    89,784.90x = 134,612.55 × 58,637.70
  4. Step 4: Simplify right side
    89,784.90x = 7,893,370,323.14
  5. Step 5: Solve for x
    x = 7,893,370,323.14/89,784.90
  6. Step 6: Final answer
    x = 87,914.23

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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.