Home / 68,543.02-94,588.82-38,328.40

Finding the Fourth Proportional to 68,543.02, 94,588.82 and 38,328.40

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Solution

The fourth proportional to 68,543.02, 94,588.82 and 38,328.40 is: 52,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,543.02 : 94,588.82 = 38,328.40 : x
  2. Step 2: Convert to fraction form
    68,543.02/94,588.82 = 38,328.40/x
  3. Step 3: Cross multiply
    68,543.02x = 94,588.82 × 38,328.40
  4. Step 4: Simplify right side
    68,543.02x = 3,625,438,128.49
  5. Step 5: Solve for x
    x = 3,625,438,128.49/68,543.02
  6. Step 6: Final answer
    x = 52,892.89

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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.