Home / 79,166.18-109,248.21-43,356.18

Finding the Fourth Proportional to 79,166.18, 109,248.21 and 43,356.18

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Solution

The fourth proportional to 79,166.18, 109,248.21 and 43,356.18 is: 59,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.18 : 109,248.21 = 43,356.18 : x
  2. Step 2: Convert to fraction form
    79,166.18/109,248.21 = 43,356.18/x
  3. Step 3: Cross multiply
    79,166.18x = 109,248.21 × 43,356.18
  4. Step 4: Simplify right side
    79,166.18x = 4,736,584,852.60
  5. Step 5: Solve for x
    x = 4,736,584,852.60/79,166.18
  6. Step 6: Final answer
    x = 59,830.92

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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.