Home / 93,036.57-139,508.76-39,720.21

Finding the Fourth Proportional to 93,036.57, 139,508.76 and 39,720.21

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Solution

The fourth proportional to 93,036.57, 139,508.76 and 39,720.21 is: 59,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,036.57 : 139,508.76 = 39,720.21 : x
  2. Step 2: Convert to fraction form
    93,036.57/139,508.76 = 39,720.21/x
  3. Step 3: Cross multiply
    93,036.57x = 139,508.76 × 39,720.21
  4. Step 4: Simplify right side
    93,036.57x = 5,541,317,244.04
  5. Step 5: Solve for x
    x = 5,541,317,244.04/93,036.57
  6. Step 6: Final answer
    x = 59,560.64

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1.5x scale

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.