Home / 66,154.32-99,233.10-19,407.06

Finding the Fourth Proportional to 66,154.32, 99,233.10 and 19,407.06

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Solution

The fourth proportional to 66,154.32, 99,233.10 and 19,407.06 is: 29,111.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,154.32 : 99,233.10 = 19,407.06 : x
  2. Step 2: Convert to fraction form
    66,154.32/99,233.10 = 19,407.06/x
  3. Step 3: Cross multiply
    66,154.32x = 99,233.10 × 19,407.06
  4. Step 4: Simplify right side
    66,154.32x = 1,925,822,725.69
  5. Step 5: Solve for x
    x = 1,925,822,725.69/66,154.32
  6. Step 6: Final answer
    x = 29,111.07

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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.