Home / 74,746.65-103,146.66-42,477.06

Finding the Fourth Proportional to 74,746.65, 103,146.66 and 42,477.06

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Solution

The fourth proportional to 74,746.65, 103,146.66 and 42,477.06 is: 58,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746.65 : 103,146.66 = 42,477.06 : x
  2. Step 2: Convert to fraction form
    74,746.65/103,146.66 = 42,477.06/x
  3. Step 3: Cross multiply
    74,746.65x = 103,146.66 × 42,477.06
  4. Step 4: Simplify right side
    74,746.65x = 4,381,366,865.62
  5. Step 5: Solve for x
    x = 4,381,366,865.62/74,746.65
  6. Step 6: Final answer
    x = 58,616.23

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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.