Home / 48,000.85-66,262.35-31,013.32

Finding the Fourth Proportional to 48,000.85, 66,262.35 and 31,013.32

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Solution

The fourth proportional to 48,000.85, 66,262.35 and 31,013.32 is: 42,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,000.85 : 66,262.35 = 31,013.32 : x
  2. Step 2: Convert to fraction form
    48,000.85/66,262.35 = 31,013.32/x
  3. Step 3: Cross multiply
    48,000.85x = 66,262.35 × 31,013.32
  4. Step 4: Simplify right side
    48,000.85x = 2,055,015,133.19
  5. Step 5: Solve for x
    x = 2,055,015,133.19/48,000.85
  6. Step 6: Final answer
    x = 42,812.06

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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.