Home / 89,280.19-123,210.20-48,995.39

Finding the Fourth Proportional to 89,280.19, 123,210.20 and 48,995.39

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Solution

The fourth proportional to 89,280.19, 123,210.20 and 48,995.39 is: 67,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,280.19 : 123,210.20 = 48,995.39 : x
  2. Step 2: Convert to fraction form
    89,280.19/123,210.20 = 48,995.39/x
  3. Step 3: Cross multiply
    89,280.19x = 123,210.20 × 48,995.39
  4. Step 4: Simplify right side
    89,280.19x = 6,036,731,800.98
  5. Step 5: Solve for x
    x = 6,036,731,800.98/89,280.19
  6. Step 6: Final answer
    x = 67,615.58

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1.5x scale

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.