Home / 111,376.08-153,636.95-66,010.41

Finding the Fourth Proportional to 111,376.08, 153,636.95 and 66,010.41

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Solution

The fourth proportional to 111,376.08, 153,636.95 and 66,010.41 is: 91,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,376.08 : 153,636.95 = 66,010.41 : x
  2. Step 2: Convert to fraction form
    111,376.08/153,636.95 = 66,010.41/x
  3. Step 3: Cross multiply
    111,376.08x = 153,636.95 × 66,010.41
  4. Step 4: Simplify right side
    111,376.08x = 10,141,638,225.68
  5. Step 5: Solve for x
    x = 10,141,638,225.68/111,376.08
  6. Step 6: Final answer
    x = 91,057.60

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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.