Home / 67,232-92,780.16-38,946.80

Finding the Fourth Proportional to 67,232, 92,780.16 and 38,946.80

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Solution

The fourth proportional to 67,232, 92,780.16 and 38,946.80 is: 53,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,232 : 92,780.16 = 38,946.80 : x
  2. Step 2: Convert to fraction form
    67,232/92,780.16 = 38,946.80/x
  3. Step 3: Cross multiply
    67,232x = 92,780.16 × 38,946.80
  4. Step 4: Simplify right side
    67,232x = 3,613,490,335.49
  5. Step 5: Solve for x
    x = 3,613,490,335.49/67,232
  6. Step 6: Final answer
    x = 53,746.58

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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.