Home / 67,364.91-92,963.53-38,686.45

Finding the Fourth Proportional to 67,364.91, 92,963.53 and 38,686.45

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Solution

The fourth proportional to 67,364.91, 92,963.53 and 38,686.45 is: 53,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,364.91 : 92,963.53 = 38,686.45 : x
  2. Step 2: Convert to fraction form
    67,364.91/92,963.53 = 38,686.45/x
  3. Step 3: Cross multiply
    67,364.91x = 92,963.53 × 38,686.45
  4. Step 4: Simplify right side
    67,364.91x = 3,596,428,955.17
  5. Step 5: Solve for x
    x = 3,596,428,955.17/67,364.91
  6. Step 6: Final answer
    x = 53,387.27

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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.