Home / 99,032.19-136,652.15-63,243.15

Finding the Fourth Proportional to 99,032.19, 136,652.15 and 63,243.15

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Solution

The fourth proportional to 99,032.19, 136,652.15 and 63,243.15 is: 87,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,032.19 : 136,652.15 = 63,243.15 : x
  2. Step 2: Convert to fraction form
    99,032.19/136,652.15 = 63,243.15/x
  3. Step 3: Cross multiply
    99,032.19x = 136,652.15 × 63,243.15
  4. Step 4: Simplify right side
    99,032.19x = 8,642,312,104.06
  5. Step 5: Solve for x
    x = 8,642,312,104.06/99,032.19
  6. Step 6: Final answer
    x = 87,267.71

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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.