Home / 82,885.25-124,328.75-66,350.40

Finding the Fourth Proportional to 82,885.25, 124,328.75 and 66,350.40

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Solution

The fourth proportional to 82,885.25, 124,328.75 and 66,350.40 is: 99,526.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,885.25 : 124,328.75 = 66,350.40 : x
  2. Step 2: Convert to fraction form
    82,885.25/124,328.75 = 66,350.40/x
  3. Step 3: Cross multiply
    82,885.25x = 124,328.75 × 66,350.40
  4. Step 4: Simplify right side
    82,885.25x = 8,249,261,496.02
  5. Step 5: Solve for x
    x = 8,249,261,496.02/82,885.25
  6. Step 6: Final answer
    x = 99,526.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.