Home / 91,360.71-126,079.54-51,077.39

Finding the Fourth Proportional to 91,360.71, 126,079.54 and 51,077.39

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Solution

The fourth proportional to 91,360.71, 126,079.54 and 51,077.39 is: 70,487.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,360.71 : 126,079.54 = 51,077.39 : x
  2. Step 2: Convert to fraction form
    91,360.71/126,079.54 = 51,077.39/x
  3. Step 3: Cross multiply
    91,360.71x = 126,079.54 × 51,077.39
  4. Step 4: Simplify right side
    91,360.71x = 6,439,813,077.51
  5. Step 5: Solve for x
    x = 6,439,813,077.51/91,360.71
  6. Step 6: Final answer
    x = 70,487.77

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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.