Home / 66,056.64-99,130.08-26,616.84

Finding the Fourth Proportional to 66,056.64, 99,130.08 and 26,616.84

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Solution

The fourth proportional to 66,056.64, 99,130.08 and 26,616.84 is: 39,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,056.64 : 99,130.08 = 26,616.84 : x
  2. Step 2: Convert to fraction form
    66,056.64/99,130.08 = 26,616.84/x
  3. Step 3: Cross multiply
    66,056.64x = 99,130.08 × 26,616.84
  4. Step 4: Simplify right side
    66,056.64x = 2,638,529,478.55
  5. Step 5: Solve for x
    x = 2,638,529,478.55/66,056.64
  6. Step 6: Final answer
    x = 39,943.44

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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.