Home / 85,366.48-117,802.65-47,125.20

Finding the Fourth Proportional to 85,366.48, 117,802.65 and 47,125.20

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Solution

The fourth proportional to 85,366.48, 117,802.65 and 47,125.20 is: 65,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,366.48 : 117,802.65 = 47,125.20 : x
  2. Step 2: Convert to fraction form
    85,366.48/117,802.65 = 47,125.20/x
  3. Step 3: Cross multiply
    85,366.48x = 117,802.65 × 47,125.20
  4. Step 4: Simplify right side
    85,366.48x = 5,551,473,441.78
  5. Step 5: Solve for x
    x = 5,551,473,441.78/85,366.48
  6. Step 6: Final answer
    x = 65,031.07

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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.