Home / 88,429.50-122,136.39-58,569.66

Finding the Fourth Proportional to 88,429.50, 122,136.39 and 58,569.66

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Solution

The fourth proportional to 88,429.50, 122,136.39 and 58,569.66 is: 80,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,429.50 : 122,136.39 = 58,569.66 : x
  2. Step 2: Convert to fraction form
    88,429.50/122,136.39 = 58,569.66/x
  3. Step 3: Cross multiply
    88,429.50x = 122,136.39 × 58,569.66
  4. Step 4: Simplify right side
    88,429.50x = 7,153,486,835.93
  5. Step 5: Solve for x
    x = 7,153,486,835.93/88,429.50
  6. Step 6: Final answer
    x = 80,894.80

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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.