Home / 89,088.71-122,938.01-48,802.61

Finding the Fourth Proportional to 89,088.71, 122,938.01 and 48,802.61

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Solution

The fourth proportional to 89,088.71, 122,938.01 and 48,802.61 is: 67,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,088.71 : 122,938.01 = 48,802.61 : x
  2. Step 2: Convert to fraction form
    89,088.71/122,938.01 = 48,802.61/x
  3. Step 3: Cross multiply
    89,088.71x = 122,938.01 × 48,802.61
  4. Step 4: Simplify right side
    89,088.71x = 5,999,695,756.21
  5. Step 5: Solve for x
    x = 5,999,695,756.21/89,088.71
  6. Step 6: Final answer
    x = 67,345.19

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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.