Home / 81,411.03-112,343.96-45,599.21

Finding the Fourth Proportional to 81,411.03, 112,343.96 and 45,599.21

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Solution

The fourth proportional to 81,411.03, 112,343.96 and 45,599.21 is: 62,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,411.03 : 112,343.96 = 45,599.21 : x
  2. Step 2: Convert to fraction form
    81,411.03/112,343.96 = 45,599.21/x
  3. Step 3: Cross multiply
    81,411.03x = 112,343.96 × 45,599.21
  4. Step 4: Simplify right side
    81,411.03x = 5,122,795,824.27
  5. Step 5: Solve for x
    x = 5,122,795,824.27/81,411.03
  6. Step 6: Final answer
    x = 62,925.08

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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.