Home / 74,357.87-102,613.93-40,366.35

Finding the Fourth Proportional to 74,357.87, 102,613.93 and 40,366.35

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Solution

The fourth proportional to 74,357.87, 102,613.93 and 40,366.35 is: 55,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,357.87 : 102,613.93 = 40,366.35 : x
  2. Step 2: Convert to fraction form
    74,357.87/102,613.93 = 40,366.35/x
  3. Step 3: Cross multiply
    74,357.87x = 102,613.93 × 40,366.35
  4. Step 4: Simplify right side
    74,357.87x = 4,142,149,712.34
  5. Step 5: Solve for x
    x = 4,142,149,712.34/74,357.87
  6. Step 6: Final answer
    x = 55,705.60

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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.