Home / 77,875.02-116,818.20-27,961.20

Finding the Fourth Proportional to 77,875.02, 116,818.20 and 27,961.20

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Solution

The fourth proportional to 77,875.02, 116,818.20 and 27,961.20 is: 41,943.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,875.02 : 116,818.20 = 27,961.20 : x
  2. Step 2: Convert to fraction form
    77,875.02/116,818.20 = 27,961.20/x
  3. Step 3: Cross multiply
    77,875.02x = 116,818.20 × 27,961.20
  4. Step 4: Simplify right side
    77,875.02x = 3,266,377,053.84
  5. Step 5: Solve for x
    x = 3,266,377,053.84/77,875.02
  6. Step 6: Final answer
    x = 41,943.84

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1.5x scale

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.