Home / 67,531.12-93,191.65-37,315.79

Finding the Fourth Proportional to 67,531.12, 93,191.65 and 37,315.79

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Solution

The fourth proportional to 67,531.12, 93,191.65 and 37,315.79 is: 51,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,531.12 : 93,191.65 = 37,315.79 : x
  2. Step 2: Convert to fraction form
    67,531.12/93,191.65 = 37,315.79/x
  3. Step 3: Cross multiply
    67,531.12x = 93,191.65 × 37,315.79
  4. Step 4: Simplify right side
    67,531.12x = 3,477,520,041.15
  5. Step 5: Solve for x
    x = 3,477,520,041.15/67,531.12
  6. Step 6: Final answer
    x = 51,495.07

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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.