Home / 104,870.02-144,721.02-57,122.92

Finding the Fourth Proportional to 104,870.02, 144,721.02 and 57,122.92

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Solution

The fourth proportional to 104,870.02, 144,721.02 and 57,122.92 is: 78,829.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,870.02 : 144,721.02 = 57,122.92 : x
  2. Step 2: Convert to fraction form
    104,870.02/144,721.02 = 57,122.92/x
  3. Step 3: Cross multiply
    104,870.02x = 144,721.02 × 57,122.92
  4. Step 4: Simplify right side
    104,870.02x = 8,266,887,247.78
  5. Step 5: Solve for x
    x = 8,266,887,247.78/104,870.02
  6. Step 6: Final answer
    x = 78,829.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.