Home / 113,320.04-169,980-53,975.78

Finding the Fourth Proportional to 113,320.04, 169,980 and 53,975.78

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Solution

The fourth proportional to 113,320.04, 169,980 and 53,975.78 is: 80,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,320.04 : 169,980 = 53,975.78 : x
  2. Step 2: Convert to fraction form
    113,320.04/169,980 = 53,975.78/x
  3. Step 3: Cross multiply
    113,320.04x = 169,980 × 53,975.78
  4. Step 4: Simplify right side
    113,320.04x = 9,174,803,084.40
  5. Step 5: Solve for x
    x = 9,174,803,084.40/113,320.04
  6. Step 6: Final answer
    x = 80,963.64

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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.