Home / 103,313.76-142,587.99-58,010.46

Finding the Fourth Proportional to 103,313.76, 142,587.99 and 58,010.46

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Solution

The fourth proportional to 103,313.76, 142,587.99 and 58,010.46 is: 80,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,313.76 : 142,587.99 = 58,010.46 : x
  2. Step 2: Convert to fraction form
    103,313.76/142,587.99 = 58,010.46/x
  3. Step 3: Cross multiply
    103,313.76x = 142,587.99 × 58,010.46
  4. Step 4: Simplify right side
    103,313.76x = 8,271,594,890.38
  5. Step 5: Solve for x
    x = 8,271,594,890.38/103,313.76
  6. Step 6: Final answer
    x = 80,062.86

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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.