Home / 89,977.76-124,088.96-58,113.12

Finding the Fourth Proportional to 89,977.76, 124,088.96 and 58,113.12

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Solution

The fourth proportional to 89,977.76, 124,088.96 and 58,113.12 is: 80,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,977.76 : 124,088.96 = 58,113.12 : x
  2. Step 2: Convert to fraction form
    89,977.76/124,088.96 = 58,113.12/x
  3. Step 3: Cross multiply
    89,977.76x = 124,088.96 × 58,113.12
  4. Step 4: Simplify right side
    89,977.76x = 7,211,196,623.16
  5. Step 5: Solve for x
    x = 7,211,196,623.16/89,977.76
  6. Step 6: Final answer
    x = 80,144.21

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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.