Home / 91,948.36-126,902.46-56,158.96

Finding the Fourth Proportional to 91,948.36, 126,902.46 and 56,158.96

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Solution

The fourth proportional to 91,948.36, 126,902.46 and 56,158.96 is: 77,507.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,948.36 : 126,902.46 = 56,158.96 : x
  2. Step 2: Convert to fraction form
    91,948.36/126,902.46 = 56,158.96/x
  3. Step 3: Cross multiply
    91,948.36x = 126,902.46 × 56,158.96
  4. Step 4: Simplify right side
    91,948.36x = 7,126,710,175.04
  5. Step 5: Solve for x
    x = 7,126,710,175.04/91,948.36
  6. Step 6: Final answer
    x = 77,507.75

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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.