Home / 112,547.42-155,293.96-64,148.43

Finding the Fourth Proportional to 112,547.42, 155,293.96 and 64,148.43

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Solution

The fourth proportional to 112,547.42, 155,293.96 and 64,148.43 is: 88,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,547.42 : 155,293.96 = 64,148.43 : x
  2. Step 2: Convert to fraction form
    112,547.42/155,293.96 = 64,148.43/x
  3. Step 3: Cross multiply
    112,547.42x = 155,293.96 × 64,148.43
  4. Step 4: Simplify right side
    112,547.42x = 9,961,863,827.98
  5. Step 5: Solve for x
    x = 9,961,863,827.98/112,547.42
  6. Step 6: Final answer
    x = 88,512.59

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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.