Home / 78,884.11-108,858.13-43,073.29

Finding the Fourth Proportional to 78,884.11, 108,858.13 and 43,073.29

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Solution

The fourth proportional to 78,884.11, 108,858.13 and 43,073.29 is: 59,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,884.11 : 108,858.13 = 43,073.29 : x
  2. Step 2: Convert to fraction form
    78,884.11/108,858.13 = 43,073.29/x
  3. Step 3: Cross multiply
    78,884.11x = 108,858.13 × 43,073.29
  4. Step 4: Simplify right side
    78,884.11x = 4,688,877,802.35
  5. Step 5: Solve for x
    x = 4,688,877,802.35/78,884.11
  6. Step 6: Final answer
    x = 59,440.08

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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.