Home / 91,587.71-126,376.27-51,303.17

Finding the Fourth Proportional to 91,587.71, 126,376.27 and 51,303.17

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Solution

The fourth proportional to 91,587.71, 126,376.27 and 51,303.17 is: 70,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,587.71 : 126,376.27 = 51,303.17 : x
  2. Step 2: Convert to fraction form
    91,587.71/126,376.27 = 51,303.17/x
  3. Step 3: Cross multiply
    91,587.71x = 126,376.27 × 51,303.17
  4. Step 4: Simplify right side
    91,587.71x = 6,483,503,451.46
  5. Step 5: Solve for x
    x = 6,483,503,451.46/91,587.71
  6. Step 6: Final answer
    x = 70,790.10

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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.