Home / 118,539.90-163,585.08-64,825.02

Finding the Fourth Proportional to 118,539.90, 163,585.08 and 64,825.02

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Solution

The fourth proportional to 118,539.90, 163,585.08 and 64,825.02 is: 89,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,539.90 : 163,585.08 = 64,825.02 : x
  2. Step 2: Convert to fraction form
    118,539.90/163,585.08 = 64,825.02/x
  3. Step 3: Cross multiply
    118,539.90x = 163,585.08 × 64,825.02
  4. Step 4: Simplify right side
    118,539.90x = 10,604,406,082.70
  5. Step 5: Solve for x
    x = 10,604,406,082.70/118,539.90
  6. Step 6: Final answer
    x = 89,458.54

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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.