Home / 74,864.36-103,308.38-40,866.08

Finding the Fourth Proportional to 74,864.36, 103,308.38 and 40,866.08

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Solution

The fourth proportional to 74,864.36, 103,308.38 and 40,866.08 is: 56,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,864.36 : 103,308.38 = 40,866.08 : x
  2. Step 2: Convert to fraction form
    74,864.36/103,308.38 = 40,866.08/x
  3. Step 3: Cross multiply
    74,864.36x = 103,308.38 × 40,866.08
  4. Step 4: Simplify right side
    74,864.36x = 4,221,808,521.75
  5. Step 5: Solve for x
    x = 4,221,808,521.75/74,864.36
  6. Step 6: Final answer
    x = 56,392.77

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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.