Home / 57,703.08-86,553.95-18,260.13

Finding the Fourth Proportional to 57,703.08, 86,553.95 and 18,260.13

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Solution

The fourth proportional to 57,703.08, 86,553.95 and 18,260.13 is: 27,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,703.08 : 86,553.95 = 18,260.13 : x
  2. Step 2: Convert to fraction form
    57,703.08/86,553.95 = 18,260.13/x
  3. Step 3: Cross multiply
    57,703.08x = 86,553.95 × 18,260.13
  4. Step 4: Simplify right side
    57,703.08x = 1,580,486,287.71
  5. Step 5: Solve for x
    x = 1,580,486,287.71/57,703.08
  6. Step 6: Final answer
    x = 27,389.98

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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.