Home / 87,897.58-121,298.60-47,611.24

Finding the Fourth Proportional to 87,897.58, 121,298.60 and 47,611.24

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Solution

The fourth proportional to 87,897.58, 121,298.60 and 47,611.24 is: 65,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,897.58 : 121,298.60 = 47,611.24 : x
  2. Step 2: Convert to fraction form
    87,897.58/121,298.60 = 47,611.24/x
  3. Step 3: Cross multiply
    87,897.58x = 121,298.60 × 47,611.24
  4. Step 4: Simplify right side
    87,897.58x = 5,775,176,572.05
  5. Step 5: Solve for x
    x = 5,775,176,572.05/87,897.58
  6. Step 6: Final answer
    x = 65,703.48

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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.