Home / 74,529.42-102,854.19-42,698.39

Finding the Fourth Proportional to 74,529.42, 102,854.19 and 42,698.39

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Solution

The fourth proportional to 74,529.42, 102,854.19 and 42,698.39 is: 58,925.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,529.42 : 102,854.19 = 42,698.39 : x
  2. Step 2: Convert to fraction form
    74,529.42/102,854.19 = 42,698.39/x
  3. Step 3: Cross multiply
    74,529.42x = 102,854.19 × 42,698.39
  4. Step 4: Simplify right side
    74,529.42x = 4,391,708,317.75
  5. Step 5: Solve for x
    x = 4,391,708,317.75/74,529.42
  6. Step 6: Final answer
    x = 58,925.84

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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.