Home / 125,000.12-172,522.58-70,568.84

Finding the Fourth Proportional to 125,000.12, 172,522.58 and 70,568.84

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Solution

The fourth proportional to 125,000.12, 172,522.58 and 70,568.84 is: 97,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,000.12 : 172,522.58 = 70,568.84 : x
  2. Step 2: Convert to fraction form
    125,000.12/172,522.58 = 70,568.84/x
  3. Step 3: Cross multiply
    125,000.12x = 172,522.58 × 70,568.84
  4. Step 4: Simplify right side
    125,000.12x = 12,174,718,344.41
  5. Step 5: Solve for x
    x = 12,174,718,344.41/125,000.12
  6. Step 6: Final answer
    x = 97,397.65

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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.