Home / 60,458.57-90,688.07-18,339.02

Finding the Fourth Proportional to 60,458.57, 90,688.07 and 18,339.02

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Solution

The fourth proportional to 60,458.57, 90,688.07 and 18,339.02 is: 27,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,458.57 : 90,688.07 = 18,339.02 : x
  2. Step 2: Convert to fraction form
    60,458.57/90,688.07 = 18,339.02/x
  3. Step 3: Cross multiply
    60,458.57x = 90,688.07 × 18,339.02
  4. Step 4: Simplify right side
    60,458.57x = 1,663,130,428.19
  5. Step 5: Solve for x
    x = 1,663,130,428.19/60,458.57
  6. Step 6: Final answer
    x = 27,508.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.