Home / 66,423.60-99,437.97-66,336.12

Finding the Fourth Proportional to 66,423.60, 99,437.97 and 66,336.12

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Solution

The fourth proportional to 66,423.60, 99,437.97 and 66,336.12 is: 99,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.60 : 99,437.97 = 66,336.12 : x
  2. Step 2: Convert to fraction form
    66,423.60/99,437.97 = 66,336.12/x
  3. Step 3: Cross multiply
    66,423.60x = 99,437.97 × 66,336.12
  4. Step 4: Simplify right side
    66,423.60x = 6,596,329,110.48
  5. Step 5: Solve for x
    x = 6,596,329,110.48/66,423.60
  6. Step 6: Final answer
    x = 99,307.01

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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.