Home / 98,455.10-147,569.04-42,211.53

Finding the Fourth Proportional to 98,455.10, 147,569.04 and 42,211.53

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Solution

The fourth proportional to 98,455.10, 147,569.04 and 42,211.53 is: 63,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,455.10 : 147,569.04 = 42,211.53 : x
  2. Step 2: Convert to fraction form
    98,455.10/147,569.04 = 42,211.53/x
  3. Step 3: Cross multiply
    98,455.10x = 147,569.04 × 42,211.53
  4. Step 4: Simplify right side
    98,455.10x = 6,229,114,959.03
  5. Step 5: Solve for x
    x = 6,229,114,959.03/98,455.10
  6. Step 6: Final answer
    x = 63,268.59

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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.