Home / 86,023.50-118,712.43-48,298.56

Finding the Fourth Proportional to 86,023.50, 118,712.43 and 48,298.56

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Solution

The fourth proportional to 86,023.50, 118,712.43 and 48,298.56 is: 66,652.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,023.50 : 118,712.43 = 48,298.56 : x
  2. Step 2: Convert to fraction form
    86,023.50/118,712.43 = 48,298.56/x
  3. Step 3: Cross multiply
    86,023.50x = 118,712.43 × 48,298.56
  4. Step 4: Simplify right side
    86,023.50x = 5,733,639,423.10
  5. Step 5: Solve for x
    x = 5,733,639,423.10/86,023.50
  6. Step 6: Final answer
    x = 66,652.01

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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.