Home / 93,317.28-139,820.08-65,565.60

Finding the Fourth Proportional to 93,317.28, 139,820.08 and 65,565.60

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Solution

The fourth proportional to 93,317.28, 139,820.08 and 65,565.60 is: 98,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,317.28 : 139,820.08 = 65,565.60 : x
  2. Step 2: Convert to fraction form
    93,317.28/139,820.08 = 65,565.60/x
  3. Step 3: Cross multiply
    93,317.28x = 139,820.08 × 65,565.60
  4. Step 4: Simplify right side
    93,317.28x = 9,167,387,437.25
  5. Step 5: Solve for x
    x = 9,167,387,437.25/93,317.28
  6. Step 6: Final answer
    x = 98,238.91

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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.