Home / 89,864.14-124,068.20-63,114.70

Finding the Fourth Proportional to 89,864.14, 124,068.20 and 63,114.70

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Solution

The fourth proportional to 89,864.14, 124,068.20 and 63,114.70 is: 87,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,864.14 : 124,068.20 = 63,114.70 : x
  2. Step 2: Convert to fraction form
    89,864.14/124,068.20 = 63,114.70/x
  3. Step 3: Cross multiply
    89,864.14x = 124,068.20 × 63,114.70
  4. Step 4: Simplify right side
    89,864.14x = 7,830,527,222.54
  5. Step 5: Solve for x
    x = 7,830,527,222.54/89,864.14
  6. Step 6: Final answer
    x = 87,137.40

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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.