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Finding the Fourth Proportional to 60,557, 90,838.84 and 23,120.10

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Solution

The fourth proportional to 60,557, 90,838.84 and 23,120.10 is: 34,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,557 : 90,838.84 = 23,120.10 : x
  2. Step 2: Convert to fraction form
    60,557/90,838.84 = 23,120.10/x
  3. Step 3: Cross multiply
    60,557x = 90,838.84 × 23,120.10
  4. Step 4: Simplify right side
    60,557x = 2,100,203,064.68
  5. Step 5: Solve for x
    x = 2,100,203,064.68/60,557
  6. Step 6: Final answer
    x = 34,681.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.