Home / 84,191.16-126,312.66-37,457.40

Finding the Fourth Proportional to 84,191.16, 126,312.66 and 37,457.40

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Solution

The fourth proportional to 84,191.16, 126,312.66 and 37,457.40 is: 56,197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,191.16 : 126,312.66 = 37,457.40 : x
  2. Step 2: Convert to fraction form
    84,191.16/126,312.66 = 37,457.40/x
  3. Step 3: Cross multiply
    84,191.16x = 126,312.66 × 37,457.40
  4. Step 4: Simplify right side
    84,191.16x = 4,731,343,830.68
  5. Step 5: Solve for x
    x = 4,731,343,830.68/84,191.16
  6. Step 6: Final answer
    x = 56,197.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.