Home / 90,368.48-135,553.62-23,818.16

Finding the Fourth Proportional to 90,368.48, 135,553.62 and 23,818.16

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Solution

The fourth proportional to 90,368.48, 135,553.62 and 23,818.16 is: 35,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,368.48 : 135,553.62 = 23,818.16 : x
  2. Step 2: Convert to fraction form
    90,368.48/135,553.62 = 23,818.16/x
  3. Step 3: Cross multiply
    90,368.48x = 135,553.62 × 23,818.16
  4. Step 4: Simplify right side
    90,368.48x = 3,228,637,809.74
  5. Step 5: Solve for x
    x = 3,228,637,809.74/90,368.48
  6. Step 6: Final answer
    x = 35,727.48

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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.