Home / 90,900.26-125,423.33-52,657.53

Finding the Fourth Proportional to 90,900.26, 125,423.33 and 52,657.53

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Solution

The fourth proportional to 90,900.26, 125,423.33 and 52,657.53 is: 72,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,900.26 : 125,423.33 = 52,657.53 : x
  2. Step 2: Convert to fraction form
    90,900.26/125,423.33 = 52,657.53/x
  3. Step 3: Cross multiply
    90,900.26x = 125,423.33 × 52,657.53
  4. Step 4: Simplify right side
    90,900.26x = 6,604,482,762.17
  5. Step 5: Solve for x
    x = 6,604,482,762.17/90,900.26
  6. Step 6: Final answer
    x = 72,656.37

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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.