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Finding the Fourth Proportional to 60,626.76, 83,665.08 and 35,138.07

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Solution

The fourth proportional to 60,626.76, 83,665.08 and 35,138.07 is: 48,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,626.76 : 83,665.08 = 35,138.07 : x
  2. Step 2: Convert to fraction form
    60,626.76/83,665.08 = 35,138.07/x
  3. Step 3: Cross multiply
    60,626.76x = 83,665.08 × 35,138.07
  4. Step 4: Simplify right side
    60,626.76x = 2,939,829,437.60
  5. Step 5: Solve for x
    x = 2,939,829,437.60/60,626.76
  6. Step 6: Final answer
    x = 48,490.62

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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.