Home / 97,915.07-146,870.17-31,354.94

Finding the Fourth Proportional to 97,915.07, 146,870.17 and 31,354.94

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Solution

The fourth proportional to 97,915.07, 146,870.17 and 31,354.94 is: 47,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,915.07 : 146,870.17 = 31,354.94 : x
  2. Step 2: Convert to fraction form
    97,915.07/146,870.17 = 31,354.94/x
  3. Step 3: Cross multiply
    97,915.07x = 146,870.17 × 31,354.94
  4. Step 4: Simplify right side
    97,915.07x = 4,605,105,368.14
  5. Step 5: Solve for x
    x = 4,605,105,368.14/97,915.07
  6. Step 6: Final answer
    x = 47,031.63

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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.