Home / 64,876.20-89,529.18-35,068.20

Finding the Fourth Proportional to 64,876.20, 89,529.18 and 35,068.20

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Solution

The fourth proportional to 64,876.20, 89,529.18 and 35,068.20 is: 48,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,876.20 : 89,529.18 = 35,068.20 : x
  2. Step 2: Convert to fraction form
    64,876.20/89,529.18 = 35,068.20/x
  3. Step 3: Cross multiply
    64,876.20x = 89,529.18 × 35,068.20
  4. Step 4: Simplify right side
    64,876.20x = 3,139,627,190.08
  5. Step 5: Solve for x
    x = 3,139,627,190.08/64,876.20
  6. Step 6: Final answer
    x = 48,394.13

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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.