Home / 66,685.02-92,043.99-38,401.98

Finding the Fourth Proportional to 66,685.02, 92,043.99 and 38,401.98

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Solution

The fourth proportional to 66,685.02, 92,043.99 and 38,401.98 is: 53,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,685.02 : 92,043.99 = 38,401.98 : x
  2. Step 2: Convert to fraction form
    66,685.02/92,043.99 = 38,401.98/x
  3. Step 3: Cross multiply
    66,685.02x = 92,043.99 × 38,401.98
  4. Step 4: Simplify right side
    66,685.02x = 3,534,671,463.10
  5. Step 5: Solve for x
    x = 3,534,671,463.10/66,685.02
  6. Step 6: Final answer
    x = 53,005.48

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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.