Home / 94,531.50-130,430.94-53,686.62

Finding the Fourth Proportional to 94,531.50, 130,430.94 and 53,686.62

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Solution

The fourth proportional to 94,531.50, 130,430.94 and 53,686.62 is: 74,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,531.50 : 130,430.94 = 53,686.62 : x
  2. Step 2: Convert to fraction form
    94,531.50/130,430.94 = 53,686.62/x
  3. Step 3: Cross multiply
    94,531.50x = 130,430.94 × 53,686.62
  4. Step 4: Simplify right side
    94,531.50x = 7,002,396,312.02
  5. Step 5: Solve for x
    x = 7,002,396,312.02/94,531.50
  6. Step 6: Final answer
    x = 74,074.74

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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.