Home / 47,528.16-65,888.88-45,000

Finding the Fourth Proportional to 47,528.16, 65,888.88 and 45,000

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Solution

The fourth proportional to 47,528.16, 65,888.88 and 45,000 is: 62,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,528.16 : 65,888.88 = 45,000 : x
  2. Step 2: Convert to fraction form
    47,528.16/65,888.88 = 45,000/x
  3. Step 3: Cross multiply
    47,528.16x = 65,888.88 × 45,000
  4. Step 4: Simplify right side
    47,528.16x = 2,964,999,600
  5. Step 5: Solve for x
    x = 2,964,999,600/47,528.16
  6. Step 6: Final answer
    x = 62,384.06

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.