Home / 66,393.02-91,616.73-38,098.10

Finding the Fourth Proportional to 66,393.02, 91,616.73 and 38,098.10

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Solution

The fourth proportional to 66,393.02, 91,616.73 and 38,098.10 is: 52,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,393.02 : 91,616.73 = 38,098.10 : x
  2. Step 2: Convert to fraction form
    66,393.02/91,616.73 = 38,098.10/x
  3. Step 3: Cross multiply
    66,393.02x = 91,616.73 × 38,098.10
  4. Step 4: Simplify right side
    66,393.02x = 3,490,423,341.21
  5. Step 5: Solve for x
    x = 3,490,423,341.21/66,393.02
  6. Step 6: Final answer
    x = 52,572.14

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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.