Home / 90,534.80-124,953-52,809.02

Finding the Fourth Proportional to 90,534.80, 124,953 and 52,809.02

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Solution

The fourth proportional to 90,534.80, 124,953 and 52,809.02 is: 72,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,534.80 : 124,953 = 52,809.02 : x
  2. Step 2: Convert to fraction form
    90,534.80/124,953 = 52,809.02/x
  3. Step 3: Cross multiply
    90,534.80x = 124,953 × 52,809.02
  4. Step 4: Simplify right side
    90,534.80x = 6,598,645,476.06
  5. Step 5: Solve for x
    x = 6,598,645,476.06/90,534.80
  6. Step 6: Final answer
    x = 72,885.18

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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.