Home / 88,108.84-121,590.32-47,822.59

Finding the Fourth Proportional to 88,108.84, 121,590.32 and 47,822.59

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Solution

The fourth proportional to 88,108.84, 121,590.32 and 47,822.59 is: 65,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,108.84 : 121,590.32 = 47,822.59 : x
  2. Step 2: Convert to fraction form
    88,108.84/121,590.32 = 47,822.59/x
  3. Step 3: Cross multiply
    88,108.84x = 121,590.32 × 47,822.59
  4. Step 4: Simplify right side
    88,108.84x = 5,814,763,174.26
  5. Step 5: Solve for x
    x = 5,814,763,174.26/88,108.84
  6. Step 6: Final answer
    x = 65,995.23

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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.