Home / 91,308.12-126,017.72-52,545.14

Finding the Fourth Proportional to 91,308.12, 126,017.72 and 52,545.14

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Solution

The fourth proportional to 91,308.12, 126,017.72 and 52,545.14 is: 72,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,308.12 : 126,017.72 = 52,545.14 : x
  2. Step 2: Convert to fraction form
    91,308.12/126,017.72 = 52,545.14/x
  3. Step 3: Cross multiply
    91,308.12x = 126,017.72 × 52,545.14
  4. Step 4: Simplify right side
    91,308.12x = 6,621,619,225.53
  5. Step 5: Solve for x
    x = 6,621,619,225.53/91,308.12
  6. Step 6: Final answer
    x = 72,519.50

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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.