Home / 80,005.32-110,420.82-46,490.76

Finding the Fourth Proportional to 80,005.32, 110,420.82 and 46,490.76

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Solution

The fourth proportional to 80,005.32, 110,420.82 and 46,490.76 is: 64,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,005.32 : 110,420.82 = 46,490.76 : x
  2. Step 2: Convert to fraction form
    80,005.32/110,420.82 = 46,490.76/x
  3. Step 3: Cross multiply
    80,005.32x = 110,420.82 × 46,490.76
  4. Step 4: Simplify right side
    80,005.32x = 5,133,547,841.62
  5. Step 5: Solve for x
    x = 5,133,547,841.62/80,005.32
  6. Step 6: Final answer
    x = 64,165.08

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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.