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Finding the Fourth Proportional to 83,347.68, 115,017.66 and 45,619.50

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Solution

The fourth proportional to 83,347.68, 115,017.66 and 45,619.50 is: 62,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,347.68 : 115,017.66 = 45,619.50 : x
  2. Step 2: Convert to fraction form
    83,347.68/115,017.66 = 45,619.50/x
  3. Step 3: Cross multiply
    83,347.68x = 115,017.66 × 45,619.50
  4. Step 4: Simplify right side
    83,347.68x = 5,247,048,140.37
  5. Step 5: Solve for x
    x = 5,247,048,140.37/83,347.68
  6. Step 6: Final answer
    x = 62,953.74

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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.