Home / 103,627.16-143,005.49-58,915.16

Finding the Fourth Proportional to 103,627.16, 143,005.49 and 58,915.16

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Solution

The fourth proportional to 103,627.16, 143,005.49 and 58,915.16 is: 81,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.16 : 143,005.49 = 58,915.16 : x
  2. Step 2: Convert to fraction form
    103,627.16/143,005.49 = 58,915.16/x
  3. Step 3: Cross multiply
    103,627.16x = 143,005.49 × 58,915.16
  4. Step 4: Simplify right side
    103,627.16x = 8,425,191,324.23
  5. Step 5: Solve for x
    x = 8,425,191,324.23/103,627.16
  6. Step 6: Final answer
    x = 81,302.93

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1.5x scale

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.