Home / 83,347.18-114,990.64-47,511.36

Finding the Fourth Proportional to 83,347.18, 114,990.64 and 47,511.36

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Solution

The fourth proportional to 83,347.18, 114,990.64 and 47,511.36 is: 65,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,347.18 : 114,990.64 = 47,511.36 : x
  2. Step 2: Convert to fraction form
    83,347.18/114,990.64 = 47,511.36/x
  3. Step 3: Cross multiply
    83,347.18x = 114,990.64 × 47,511.36
  4. Step 4: Simplify right side
    83,347.18x = 5,463,361,574.89
  5. Step 5: Solve for x
    x = 5,463,361,574.89/83,347.18
  6. Step 6: Final answer
    x = 65,549.45

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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.