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Finding the Fourth Proportional to 64,802.64, 89,368.32 and 44,414.32

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Solution

The fourth proportional to 64,802.64, 89,368.32 and 44,414.32 is: 61,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,802.64 : 89,368.32 = 44,414.32 : x
  2. Step 2: Convert to fraction form
    64,802.64/89,368.32 = 44,414.32/x
  3. Step 3: Cross multiply
    64,802.64x = 89,368.32 × 44,414.32
  4. Step 4: Simplify right side
    64,802.64x = 3,969,233,162.34
  5. Step 5: Solve for x
    x = 3,969,233,162.34/64,802.64
  6. Step 6: Final answer
    x = 61,251.10

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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.