Home / 58,985.12-88,477.68-17,428.88

Finding the Fourth Proportional to 58,985.12, 88,477.68 and 17,428.88

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Solution

The fourth proportional to 58,985.12, 88,477.68 and 17,428.88 is: 26,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,985.12 : 88,477.68 = 17,428.88 : x
  2. Step 2: Convert to fraction form
    58,985.12/88,477.68 = 17,428.88/x
  3. Step 3: Cross multiply
    58,985.12x = 88,477.68 × 17,428.88
  4. Step 4: Simplify right side
    58,985.12x = 1,542,066,867.40
  5. Step 5: Solve for x
    x = 1,542,066,867.40/58,985.12
  6. Step 6: Final answer
    x = 26,143.32

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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.