Home / 91,341.35-126,056.96-51,056.81

Finding the Fourth Proportional to 91,341.35, 126,056.96 and 51,056.81

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Solution

The fourth proportional to 91,341.35, 126,056.96 and 51,056.81 is: 70,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,341.35 : 126,056.96 = 51,056.81 : x
  2. Step 2: Convert to fraction form
    91,341.35/126,056.96 = 51,056.81/x
  3. Step 3: Cross multiply
    91,341.35x = 126,056.96 × 51,056.81
  4. Step 4: Simplify right side
    91,341.35x = 6,436,066,000.61
  5. Step 5: Solve for x
    x = 6,436,066,000.61/91,341.35
  6. Step 6: Final answer
    x = 70,461.69

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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.