Home / 111,861.10-154,368.26-61,560.10

Finding the Fourth Proportional to 111,861.10, 154,368.26 and 61,560.10

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Solution

The fourth proportional to 111,861.10, 154,368.26 and 61,560.10 is: 84,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,861.10 : 154,368.26 = 61,560.10 : x
  2. Step 2: Convert to fraction form
    111,861.10/154,368.26 = 61,560.10/x
  3. Step 3: Cross multiply
    111,861.10x = 154,368.26 × 61,560.10
  4. Step 4: Simplify right side
    111,861.10x = 9,502,925,522.43
  5. Step 5: Solve for x
    x = 9,502,925,522.43/111,861.10
  6. Step 6: Final answer
    x = 84,952.91

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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.