Home / 93,938.96-129,649.11-58,140.50

Finding the Fourth Proportional to 93,938.96, 129,649.11 and 58,140.50

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Solution

The fourth proportional to 93,938.96, 129,649.11 and 58,140.50 is: 80,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,938.96 : 129,649.11 = 58,140.50 : x
  2. Step 2: Convert to fraction form
    93,938.96/129,649.11 = 58,140.50/x
  3. Step 3: Cross multiply
    93,938.96x = 129,649.11 × 58,140.50
  4. Step 4: Simplify right side
    93,938.96x = 7,537,864,079.96
  5. Step 5: Solve for x
    x = 7,537,864,079.96/93,938.96
  6. Step 6: Final answer
    x = 80,242.15

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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.