Home / 105,948.02-146,209.48-57,550.40

Finding the Fourth Proportional to 105,948.02, 146,209.48 and 57,550.40

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Solution

The fourth proportional to 105,948.02, 146,209.48 and 57,550.40 is: 79,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,948.02 : 146,209.48 = 57,550.40 : x
  2. Step 2: Convert to fraction form
    105,948.02/146,209.48 = 57,550.40/x
  3. Step 3: Cross multiply
    105,948.02x = 146,209.48 × 57,550.40
  4. Step 4: Simplify right side
    105,948.02x = 8,414,414,057.79
  5. Step 5: Solve for x
    x = 8,414,414,057.79/105,948.02
  6. Step 6: Final answer
    x = 79,420.21

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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.