Home / 83,971.06-115,880.15-45,730.67

Finding the Fourth Proportional to 83,971.06, 115,880.15 and 45,730.67

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Solution

The fourth proportional to 83,971.06, 115,880.15 and 45,730.67 is: 63,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,971.06 : 115,880.15 = 45,730.67 : x
  2. Step 2: Convert to fraction form
    83,971.06/115,880.15 = 45,730.67/x
  3. Step 3: Cross multiply
    83,971.06x = 115,880.15 × 45,730.67
  4. Step 4: Simplify right side
    83,971.06x = 5,299,276,434.13
  5. Step 5: Solve for x
    x = 5,299,276,434.13/83,971.06
  6. Step 6: Final answer
    x = 63,108.37

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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.