Home / 106,087.16-146,400.10-60,779.80

Finding the Fourth Proportional to 106,087.16, 146,400.10 and 60,779.80

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Solution

The fourth proportional to 106,087.16, 146,400.10 and 60,779.80 is: 83,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,087.16 : 146,400.10 = 60,779.80 : x
  2. Step 2: Convert to fraction form
    106,087.16/146,400.10 = 60,779.80/x
  3. Step 3: Cross multiply
    106,087.16x = 146,400.10 × 60,779.80
  4. Step 4: Simplify right side
    106,087.16x = 8,898,168,797.98
  5. Step 5: Solve for x
    x = 8,898,168,797.98/106,087.16
  6. Step 6: Final answer
    x = 83,876.02

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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.