Home / 99,364.50-137,124.23-56,924.55

Finding the Fourth Proportional to 99,364.50, 137,124.23 and 56,924.55

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Solution

The fourth proportional to 99,364.50, 137,124.23 and 56,924.55 is: 78,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,364.50 : 137,124.23 = 56,924.55 : x
  2. Step 2: Convert to fraction form
    99,364.50/137,124.23 = 56,924.55/x
  3. Step 3: Cross multiply
    99,364.50x = 137,124.23 × 56,924.55
  4. Step 4: Simplify right side
    99,364.50x = 7,805,734,802.22
  5. Step 5: Solve for x
    x = 7,805,734,802.22/99,364.50
  6. Step 6: Final answer
    x = 78,556.58

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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.