Home / 67,526.12-93,178.02-40,668.20

Finding the Fourth Proportional to 67,526.12, 93,178.02 and 40,668.20

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Solution

The fourth proportional to 67,526.12, 93,178.02 and 40,668.20 is: 56,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,526.12 : 93,178.02 = 40,668.20 : x
  2. Step 2: Convert to fraction form
    67,526.12/93,178.02 = 40,668.20/x
  3. Step 3: Cross multiply
    67,526.12x = 93,178.02 × 40,668.20
  4. Step 4: Simplify right side
    67,526.12x = 3,789,382,352.96
  5. Step 5: Solve for x
    x = 3,789,382,352.96/67,526.12
  6. Step 6: Final answer
    x = 56,117.28

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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.