Home / 103,546.02-142,890.20-58,225.98

Finding the Fourth Proportional to 103,546.02, 142,890.20 and 58,225.98

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Solution

The fourth proportional to 103,546.02, 142,890.20 and 58,225.98 is: 80,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,546.02 : 142,890.20 = 58,225.98 : x
  2. Step 2: Convert to fraction form
    103,546.02/142,890.20 = 58,225.98/x
  3. Step 3: Cross multiply
    103,546.02x = 142,890.20 × 58,225.98
  4. Step 4: Simplify right side
    103,546.02x = 8,319,921,927.40
  5. Step 5: Solve for x
    x = 8,319,921,927.40/103,546.02
  6. Step 6: Final answer
    x = 80,349.99

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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.