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Finding the Fourth Proportional to 73,411.61, 101,312.93 and 41,146.61

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Solution

The fourth proportional to 73,411.61, 101,312.93 and 41,146.61 is: 56,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,411.61 : 101,312.93 = 41,146.61 : x
  2. Step 2: Convert to fraction form
    73,411.61/101,312.93 = 41,146.61/x
  3. Step 3: Cross multiply
    73,411.61x = 101,312.93 × 41,146.61
  4. Step 4: Simplify right side
    73,411.61x = 4,168,683,618.67
  5. Step 5: Solve for x
    x = 4,168,683,618.67/73,411.61
  6. Step 6: Final answer
    x = 56,785.07

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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.