Home / 75,063.42-103,587.12-41,071.32

Finding the Fourth Proportional to 75,063.42, 103,587.12 and 41,071.32

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Solution

The fourth proportional to 75,063.42, 103,587.12 and 41,071.32 is: 56,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,063.42 : 103,587.12 = 41,071.32 : x
  2. Step 2: Convert to fraction form
    75,063.42/103,587.12 = 41,071.32/x
  3. Step 3: Cross multiply
    75,063.42x = 103,587.12 × 41,071.32
  4. Step 4: Simplify right side
    75,063.42x = 4,254,459,753.40
  5. Step 5: Solve for x
    x = 4,254,459,753.40/75,063.42
  6. Step 6: Final answer
    x = 56,678.20

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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.