Home / 106,079.12-146,390.02-57,681.08

Finding the Fourth Proportional to 106,079.12, 146,390.02 and 57,681.08

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Solution

The fourth proportional to 106,079.12, 146,390.02 and 57,681.08 is: 79,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,079.12 : 146,390.02 = 57,681.08 : x
  2. Step 2: Convert to fraction form
    106,079.12/146,390.02 = 57,681.08/x
  3. Step 3: Cross multiply
    106,079.12x = 146,390.02 × 57,681.08
  4. Step 4: Simplify right side
    106,079.12x = 8,443,934,454.82
  5. Step 5: Solve for x
    x = 8,443,934,454.82/106,079.12
  6. Step 6: Final answer
    x = 79,600.34

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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.