Home / 74,920.59-112,380.48-30,547.17

Finding the Fourth Proportional to 74,920.59, 112,380.48 and 30,547.17

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Solution

The fourth proportional to 74,920.59, 112,380.48 and 30,547.17 is: 45,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,920.59 : 112,380.48 = 30,547.17 : x
  2. Step 2: Convert to fraction form
    74,920.59/112,380.48 = 30,547.17/x
  3. Step 3: Cross multiply
    74,920.59x = 112,380.48 × 30,547.17
  4. Step 4: Simplify right side
    74,920.59x = 3,432,905,627.24
  5. Step 5: Solve for x
    x = 3,432,905,627.24/74,920.59
  6. Step 6: Final answer
    x = 45,820.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.