Home / 92,685.17-127,909.80-52,400.63

Finding the Fourth Proportional to 92,685.17, 127,909.80 and 52,400.63

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Solution

The fourth proportional to 92,685.17, 127,909.80 and 52,400.63 is: 72,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,685.17 : 127,909.80 = 52,400.63 : x
  2. Step 2: Convert to fraction form
    92,685.17/127,909.80 = 52,400.63/x
  3. Step 3: Cross multiply
    92,685.17x = 127,909.80 × 52,400.63
  4. Step 4: Simplify right side
    92,685.17x = 6,702,554,103.17
  5. Step 5: Solve for x
    x = 6,702,554,103.17/92,685.17
  6. Step 6: Final answer
    x = 72,315.28

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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.