Home / 85,337.13-128,005.70-23,007.63

Finding the Fourth Proportional to 85,337.13, 128,005.70 and 23,007.63

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Solution

The fourth proportional to 85,337.13, 128,005.70 and 23,007.63 is: 34,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,337.13 : 128,005.70 = 23,007.63 : x
  2. Step 2: Convert to fraction form
    85,337.13/128,005.70 = 23,007.63/x
  3. Step 3: Cross multiply
    85,337.13x = 128,005.70 × 23,007.63
  4. Step 4: Simplify right side
    85,337.13x = 2,945,107,783.49
  5. Step 5: Solve for x
    x = 2,945,107,783.49/85,337.13
  6. Step 6: Final answer
    x = 34,511.45

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1.5x scale

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.