Home / 60,095.16-90,146.88-20,680.02

Finding the Fourth Proportional to 60,095.16, 90,146.88 and 20,680.02

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Solution

The fourth proportional to 60,095.16, 90,146.88 and 20,680.02 is: 31,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,095.16 : 90,146.88 = 20,680.02 : x
  2. Step 2: Convert to fraction form
    60,095.16/90,146.88 = 20,680.02/x
  3. Step 3: Cross multiply
    60,095.16x = 90,146.88 × 20,680.02
  4. Step 4: Simplify right side
    60,095.16x = 1,864,239,281.34
  5. Step 5: Solve for x
    x = 1,864,239,281.34/60,095.16
  6. Step 6: Final answer
    x = 31,021.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.