Home / 99,050.12-136,606.02-65,032.55

Finding the Fourth Proportional to 99,050.12, 136,606.02 and 65,032.55

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Solution

The fourth proportional to 99,050.12, 136,606.02 and 65,032.55 is: 89,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,050.12 : 136,606.02 = 65,032.55 : x
  2. Step 2: Convert to fraction form
    99,050.12/136,606.02 = 65,032.55/x
  3. Step 3: Cross multiply
    99,050.12x = 136,606.02 × 65,032.55
  4. Step 4: Simplify right side
    99,050.12x = 8,883,837,825.95
  5. Step 5: Solve for x
    x = 8,883,837,825.95/99,050.12
  6. Step 6: Final answer
    x = 89,690.33

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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.