Home / 99,158.46-136,833.75-56,131.26

Finding the Fourth Proportional to 99,158.46, 136,833.75 and 56,131.26

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Solution

The fourth proportional to 99,158.46, 136,833.75 and 56,131.26 is: 77,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,158.46 : 136,833.75 = 56,131.26 : x
  2. Step 2: Convert to fraction form
    99,158.46/136,833.75 = 56,131.26/x
  3. Step 3: Cross multiply
    99,158.46x = 136,833.75 × 56,131.26
  4. Step 4: Simplify right side
    99,158.46x = 7,680,650,798.03
  5. Step 5: Solve for x
    x = 7,680,650,798.03/99,158.46
  6. Step 6: Final answer
    x = 77,458.35

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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.