Home / 58,532.40-87,643.08-30,402.72

Finding the Fourth Proportional to 58,532.40, 87,643.08 and 30,402.72

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Solution

The fourth proportional to 58,532.40, 87,643.08 and 30,402.72 is: 45,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,532.40 : 87,643.08 = 30,402.72 : x
  2. Step 2: Convert to fraction form
    58,532.40/87,643.08 = 30,402.72/x
  3. Step 3: Cross multiply
    58,532.40x = 87,643.08 × 30,402.72
  4. Step 4: Simplify right side
    58,532.40x = 2,664,588,021.18
  5. Step 5: Solve for x
    x = 2,664,588,021.18/58,532.40
  6. Step 6: Final answer
    x = 45,523.30

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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.