Home / 75,547.89-112,680.62-74,219.49

Finding the Fourth Proportional to 75,547.89, 112,680.62 and 74,219.49

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Solution

The fourth proportional to 75,547.89, 112,680.62 and 74,219.49 is: 110,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,547.89 : 112,680.62 = 74,219.49 : x
  2. Step 2: Convert to fraction form
    75,547.89/112,680.62 = 74,219.49/x
  3. Step 3: Cross multiply
    75,547.89x = 112,680.62 × 74,219.49
  4. Step 4: Simplify right side
    75,547.89x = 8,363,098,056.51
  5. Step 5: Solve for x
    x = 8,363,098,056.51/75,547.89
  6. Step 6: Final answer
    x = 110,699.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.