Home / 125,756.18-173,568.18-72,077.18

Finding the Fourth Proportional to 125,756.18, 173,568.18 and 72,077.18

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Solution

The fourth proportional to 125,756.18, 173,568.18 and 72,077.18 is: 99,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,756.18 : 173,568.18 = 72,077.18 : x
  2. Step 2: Convert to fraction form
    125,756.18/173,568.18 = 72,077.18/x
  3. Step 3: Cross multiply
    125,756.18x = 173,568.18 × 72,077.18
  4. Step 4: Simplify right side
    125,756.18x = 12,510,304,354.58
  5. Step 5: Solve for x
    x = 12,510,304,354.58/125,756.18
  6. Step 6: Final answer
    x = 99,480.63

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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.