Home / 83,130.02-124,712.55-26,965.75

Finding the Fourth Proportional to 83,130.02, 124,712.55 and 26,965.75

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Solution

The fourth proportional to 83,130.02, 124,712.55 and 26,965.75 is: 40,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,130.02 : 124,712.55 = 26,965.75 : x
  2. Step 2: Convert to fraction form
    83,130.02/124,712.55 = 26,965.75/x
  3. Step 3: Cross multiply
    83,130.02x = 124,712.55 × 26,965.75
  4. Step 4: Simplify right side
    83,130.02x = 3,362,966,894.80
  5. Step 5: Solve for x
    x = 3,362,966,894.80/83,130.02
  6. Step 6: Final answer
    x = 40,454.30

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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.