Home / 109,036.40-163,554.60-46,713.20

Finding the Fourth Proportional to 109,036.40, 163,554.60 and 46,713.20

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Solution

The fourth proportional to 109,036.40, 163,554.60 and 46,713.20 is: 70,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,036.40 : 163,554.60 = 46,713.20 : x
  2. Step 2: Convert to fraction form
    109,036.40/163,554.60 = 46,713.20/x
  3. Step 3: Cross multiply
    109,036.40x = 163,554.60 × 46,713.20
  4. Step 4: Simplify right side
    109,036.40x = 7,640,158,740.72
  5. Step 5: Solve for x
    x = 7,640,158,740.72/109,036.40
  6. Step 6: Final answer
    x = 70,069.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.