Home / 58,764.61-88,128.19-19,312.61

Finding the Fourth Proportional to 58,764.61, 88,128.19 and 19,312.61

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Solution

The fourth proportional to 58,764.61, 88,128.19 and 19,312.61 is: 28,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,764.61 : 88,128.19 = 19,312.61 : x
  2. Step 2: Convert to fraction form
    58,764.61/88,128.19 = 19,312.61/x
  3. Step 3: Cross multiply
    58,764.61x = 88,128.19 × 19,312.61
  4. Step 4: Simplify right side
    58,764.61x = 1,701,985,266.91
  5. Step 5: Solve for x
    x = 1,701,985,266.91/58,764.61
  6. Step 6: Final answer
    x = 28,962.76

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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.