Home / 58,702.08-88,053.12-20,779.52

Finding the Fourth Proportional to 58,702.08, 88,053.12 and 20,779.52

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Solution

The fourth proportional to 58,702.08, 88,053.12 and 20,779.52 is: 31,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,702.08 : 88,053.12 = 20,779.52 : x
  2. Step 2: Convert to fraction form
    58,702.08/88,053.12 = 20,779.52/x
  3. Step 3: Cross multiply
    58,702.08x = 88,053.12 × 20,779.52
  4. Step 4: Simplify right side
    58,702.08x = 1,829,701,568.10
  5. Step 5: Solve for x
    x = 1,829,701,568.10/58,702.08
  6. Step 6: Final answer
    x = 31,169.28

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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.