Home / 88,923.12-133,430.69-39,038.25

Finding the Fourth Proportional to 88,923.12, 133,430.69 and 39,038.25

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Solution

The fourth proportional to 88,923.12, 133,430.69 and 39,038.25 is: 58,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,923.12 : 133,430.69 = 39,038.25 : x
  2. Step 2: Convert to fraction form
    88,923.12/133,430.69 = 39,038.25/x
  3. Step 3: Cross multiply
    88,923.12x = 133,430.69 × 39,038.25
  4. Step 4: Simplify right side
    88,923.12x = 5,208,901,231.85
  5. Step 5: Solve for x
    x = 5,208,901,231.85/88,923.12
  6. Step 6: Final answer
    x = 58,577.58

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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.