Home / 55,155.02-82,707.92-15,702.90

Finding the Fourth Proportional to 55,155.02, 82,707.92 and 15,702.90

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Solution

The fourth proportional to 55,155.02, 82,707.92 and 15,702.90 is: 23,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,155.02 : 82,707.92 = 15,702.90 : x
  2. Step 2: Convert to fraction form
    55,155.02/82,707.92 = 15,702.90/x
  3. Step 3: Cross multiply
    55,155.02x = 82,707.92 × 15,702.90
  4. Step 4: Simplify right side
    55,155.02x = 1,298,754,196.97
  5. Step 5: Solve for x
    x = 1,298,754,196.97/55,155.02
  6. Step 6: Final answer
    x = 23,547.35

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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.