Home / 66,056.19-99,084.29-19,309.07

Finding the Fourth Proportional to 66,056.19, 99,084.29 and 19,309.07

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Solution

The fourth proportional to 66,056.19, 99,084.29 and 19,309.07 is: 28,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,056.19 : 99,084.29 = 19,309.07 : x
  2. Step 2: Convert to fraction form
    66,056.19/99,084.29 = 19,309.07/x
  3. Step 3: Cross multiply
    66,056.19x = 99,084.29 × 19,309.07
  4. Step 4: Simplify right side
    66,056.19x = 1,913,224,899.54
  5. Step 5: Solve for x
    x = 1,913,224,899.54/66,056.19
  6. Step 6: Final answer
    x = 28,963.60

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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.