Home / 70,632.47-97,470.95-38,801.43

Finding the Fourth Proportional to 70,632.47, 97,470.95 and 38,801.43

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Solution

The fourth proportional to 70,632.47, 97,470.95 and 38,801.43 is: 53,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,632.47 : 97,470.95 = 38,801.43 : x
  2. Step 2: Convert to fraction form
    70,632.47/97,470.95 = 38,801.43/x
  3. Step 3: Cross multiply
    70,632.47x = 97,470.95 × 38,801.43
  4. Step 4: Simplify right side
    70,632.47x = 3,782,012,049.45
  5. Step 5: Solve for x
    x = 3,782,012,049.45/70,632.47
  6. Step 6: Final answer
    x = 53,544.95

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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.