Home / 93,937.96-129,647.74-58,139.50

Finding the Fourth Proportional to 93,937.96, 129,647.74 and 58,139.50

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Solution

The fourth proportional to 93,937.96, 129,647.74 and 58,139.50 is: 80,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,937.96 : 129,647.74 = 58,139.50 : x
  2. Step 2: Convert to fraction form
    93,937.96/129,647.74 = 58,139.50/x
  3. Step 3: Cross multiply
    93,937.96x = 129,647.74 × 58,139.50
  4. Step 4: Simplify right side
    93,937.96x = 7,537,654,779.73
  5. Step 5: Solve for x
    x = 7,537,654,779.73/93,937.96
  6. Step 6: Final answer
    x = 80,240.78

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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.