Home / 115,304.40-172,643.94-59,783.76

Finding the Fourth Proportional to 115,304.40, 172,643.94 and 59,783.76

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Solution

The fourth proportional to 115,304.40, 172,643.94 and 59,783.76 is: 89,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,304.40 : 172,643.94 = 59,783.76 : x
  2. Step 2: Convert to fraction form
    115,304.40/172,643.94 = 59,783.76/x
  3. Step 3: Cross multiply
    115,304.40x = 172,643.94 × 59,783.76
  4. Step 4: Simplify right side
    115,304.40x = 10,321,303,874.41
  5. Step 5: Solve for x
    x = 10,321,303,874.41/115,304.40
  6. Step 6: Final answer
    x = 89,513.53

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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.