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Finding the Fourth Proportional to 64,746.06, 89,336 and 37,883.40

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Solution

The fourth proportional to 64,746.06, 89,336 and 37,883.40 is: 52,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,746.06 : 89,336 = 37,883.40 : x
  2. Step 2: Convert to fraction form
    64,746.06/89,336 = 37,883.40/x
  3. Step 3: Cross multiply
    64,746.06x = 89,336 × 37,883.40
  4. Step 4: Simplify right side
    64,746.06x = 3,384,351,422.40
  5. Step 5: Solve for x
    x = 3,384,351,422.40/64,746.06
  6. Step 6: Final answer
    x = 52,271.16

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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.