Home / 61,995.02-85,568.81-38,143.05

Finding the Fourth Proportional to 61,995.02, 85,568.81 and 38,143.05

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Solution

The fourth proportional to 61,995.02, 85,568.81 and 38,143.05 is: 52,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,995.02 : 85,568.81 = 38,143.05 : x
  2. Step 2: Convert to fraction form
    61,995.02/85,568.81 = 38,143.05/x
  3. Step 3: Cross multiply
    61,995.02x = 85,568.81 × 38,143.05
  4. Step 4: Simplify right side
    61,995.02x = 3,263,854,970.43
  5. Step 5: Solve for x
    x = 3,263,854,970.43/61,995.02
  6. Step 6: Final answer
    x = 52,647.06

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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.