Home / 90,350.46-124,688.16-50,068.62

Finding the Fourth Proportional to 90,350.46, 124,688.16 and 50,068.62

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Solution

The fourth proportional to 90,350.46, 124,688.16 and 50,068.62 is: 69,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,350.46 : 124,688.16 = 50,068.62 : x
  2. Step 2: Convert to fraction form
    90,350.46/124,688.16 = 50,068.62/x
  3. Step 3: Cross multiply
    90,350.46x = 124,688.16 × 50,068.62
  4. Step 4: Simplify right side
    90,350.46x = 6,242,964,101.54
  5. Step 5: Solve for x
    x = 6,242,964,101.54/90,350.46
  6. Step 6: Final answer
    x = 69,097.20

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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.