Home / 99,256.44-136,973.96-53,934.90

Finding the Fourth Proportional to 99,256.44, 136,973.96 and 53,934.90

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Solution

The fourth proportional to 99,256.44, 136,973.96 and 53,934.90 is: 74,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,256.44 : 136,973.96 = 53,934.90 : x
  2. Step 2: Convert to fraction form
    99,256.44/136,973.96 = 53,934.90/x
  3. Step 3: Cross multiply
    99,256.44x = 136,973.96 × 53,934.90
  4. Step 4: Simplify right side
    99,256.44x = 7,387,676,835.20
  5. Step 5: Solve for x
    x = 7,387,676,835.20/99,256.44
  6. Step 6: Final answer
    x = 74,430.20

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1.5x scale

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.