Home / 86,503.20-119,374.21-48,777.18

Finding the Fourth Proportional to 86,503.20, 119,374.21 and 48,777.18

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Solution

The fourth proportional to 86,503.20, 119,374.21 and 48,777.18 is: 67,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,503.20 : 119,374.21 = 48,777.18 : x
  2. Step 2: Convert to fraction form
    86,503.20/119,374.21 = 48,777.18/x
  3. Step 3: Cross multiply
    86,503.20x = 119,374.21 × 48,777.18
  4. Step 4: Simplify right side
    86,503.20x = 5,822,736,731.66
  5. Step 5: Solve for x
    x = 5,822,736,731.66/86,503.20
  6. Step 6: Final answer
    x = 67,312.39

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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.