Home / 97,678.74-146,510.01-31,116.18

Finding the Fourth Proportional to 97,678.74, 146,510.01 and 31,116.18

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Solution

The fourth proportional to 97,678.74, 146,510.01 and 31,116.18 is: 46,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,678.74 : 146,510.01 = 31,116.18 : x
  2. Step 2: Convert to fraction form
    97,678.74/146,510.01 = 31,116.18/x
  3. Step 3: Cross multiply
    97,678.74x = 146,510.01 × 31,116.18
  4. Step 4: Simplify right side
    97,678.74x = 4,558,831,842.96
  5. Step 5: Solve for x
    x = 4,558,831,842.96/97,678.74
  6. Step 6: Final answer
    x = 46,671.69

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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.