Home / 90,548.88-124,963.52-52,315.86

Finding the Fourth Proportional to 90,548.88, 124,963.52 and 52,315.86

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Solution

The fourth proportional to 90,548.88, 124,963.52 and 52,315.86 is: 72,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,548.88 : 124,963.52 = 52,315.86 : x
  2. Step 2: Convert to fraction form
    90,548.88/124,963.52 = 52,315.86/x
  3. Step 3: Cross multiply
    90,548.88x = 124,963.52 × 52,315.86
  4. Step 4: Simplify right side
    90,548.88x = 6,537,574,017.43
  5. Step 5: Solve for x
    x = 6,537,574,017.43/90,548.88
  6. Step 6: Final answer
    x = 72,199.39

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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.