Home / 70,088.20-96,688.04-45,878.49

Finding the Fourth Proportional to 70,088.20, 96,688.04 and 45,878.49

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Solution

The fourth proportional to 70,088.20, 96,688.04 and 45,878.49 is: 63,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,088.20 : 96,688.04 = 45,878.49 : x
  2. Step 2: Convert to fraction form
    70,088.20/96,688.04 = 45,878.49/x
  3. Step 3: Cross multiply
    70,088.20x = 96,688.04 × 45,878.49
  4. Step 4: Simplify right side
    70,088.20x = 4,435,901,641.39
  5. Step 5: Solve for x
    x = 4,435,901,641.39/70,088.20
  6. Step 6: Final answer
    x = 63,290.27

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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.