Home / 53,417.45-80,130.74-13,974.50

Finding the Fourth Proportional to 53,417.45, 80,130.74 and 13,974.50

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Solution

The fourth proportional to 53,417.45, 80,130.74 and 13,974.50 is: 20,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,417.45 : 80,130.74 = 13,974.50 : x
  2. Step 2: Convert to fraction form
    53,417.45/80,130.74 = 13,974.50/x
  3. Step 3: Cross multiply
    53,417.45x = 80,130.74 × 13,974.50
  4. Step 4: Simplify right side
    53,417.45x = 1,119,787,156.58
  5. Step 5: Solve for x
    x = 1,119,787,156.58/53,417.45
  6. Step 6: Final answer
    x = 20,962.95

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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.