Home / 94,666.90-142,000.35-28,117.30

Finding the Fourth Proportional to 94,666.90, 142,000.35 and 28,117.30

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Solution

The fourth proportional to 94,666.90, 142,000.35 and 28,117.30 is: 42,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,666.90 : 142,000.35 = 28,117.30 : x
  2. Step 2: Convert to fraction form
    94,666.90/142,000.35 = 28,117.30/x
  3. Step 3: Cross multiply
    94,666.90x = 142,000.35 × 28,117.30
  4. Step 4: Simplify right side
    94,666.90x = 3,992,666,441.06
  5. Step 5: Solve for x
    x = 3,992,666,441.06/94,666.90
  6. Step 6: Final answer
    x = 42,175.95

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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.