Home / 102,695.48-153,915.98-58,187.32

Finding the Fourth Proportional to 102,695.48, 153,915.98 and 58,187.32

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Solution

The fourth proportional to 102,695.48, 153,915.98 and 58,187.32 is: 87,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,695.48 : 153,915.98 = 58,187.32 : x
  2. Step 2: Convert to fraction form
    102,695.48/153,915.98 = 58,187.32/x
  3. Step 3: Cross multiply
    102,695.48x = 153,915.98 × 58,187.32
  4. Step 4: Simplify right side
    102,695.48x = 8,955,958,381.37
  5. Step 5: Solve for x
    x = 8,955,958,381.37/102,695.48
  6. Step 6: Final answer
    x = 87,208.89

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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.