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Finding the Fourth Proportional to 60,410, 90,527.40 and 34,058.72

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Solution

The fourth proportional to 60,410, 90,527.40 and 34,058.72 is: 51,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,410 : 90,527.40 = 34,058.72 : x
  2. Step 2: Convert to fraction form
    60,410/90,527.40 = 34,058.72/x
  3. Step 3: Cross multiply
    60,410x = 90,527.40 × 34,058.72
  4. Step 4: Simplify right side
    60,410x = 3,083,247,368.93
  5. Step 5: Solve for x
    x = 3,083,247,368.93/60,410
  6. Step 6: Final answer
    x = 51,038.69

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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.