Home / 74,925.96-103,301.34-53,440.20

Finding the Fourth Proportional to 74,925.96, 103,301.34 and 53,440.20

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Solution

The fourth proportional to 74,925.96, 103,301.34 and 53,440.20 is: 73,678.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,925.96 : 103,301.34 = 53,440.20 : x
  2. Step 2: Convert to fraction form
    74,925.96/103,301.34 = 53,440.20/x
  3. Step 3: Cross multiply
    74,925.96x = 103,301.34 × 53,440.20
  4. Step 4: Simplify right side
    74,925.96x = 5,520,444,269.87
  5. Step 5: Solve for x
    x = 5,520,444,269.87/74,925.96
  6. Step 6: Final answer
    x = 73,678.66

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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.