Home / 88,064.55-121,529.57-47,778.39

Finding the Fourth Proportional to 88,064.55, 121,529.57 and 47,778.39

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Solution

The fourth proportional to 88,064.55, 121,529.57 and 47,778.39 is: 65,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,064.55 : 121,529.57 = 47,778.39 : x
  2. Step 2: Convert to fraction form
    88,064.55/121,529.57 = 47,778.39/x
  3. Step 3: Cross multiply
    88,064.55x = 121,529.57 × 47,778.39
  4. Step 4: Simplify right side
    88,064.55x = 5,806,486,953.10
  5. Step 5: Solve for x
    x = 5,806,486,953.10/88,064.55
  6. Step 6: Final answer
    x = 65,934.44

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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.