Home / 74,743.20-103,007.52-63,376.32

Finding the Fourth Proportional to 74,743.20, 103,007.52 and 63,376.32

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Solution

The fourth proportional to 74,743.20, 103,007.52 and 63,376.32 is: 87,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,743.20 : 103,007.52 = 63,376.32 : x
  2. Step 2: Convert to fraction form
    74,743.20/103,007.52 = 63,376.32/x
  3. Step 3: Cross multiply
    74,743.20x = 103,007.52 × 63,376.32
  4. Step 4: Simplify right side
    74,743.20x = 6,528,237,549.93
  5. Step 5: Solve for x
    x = 6,528,237,549.93/74,743.20
  6. Step 6: Final answer
    x = 87,342.23

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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.