Home / 53,980.07-74,492.61-30,106.13

Finding the Fourth Proportional to 53,980.07, 74,492.61 and 30,106.13

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Solution

The fourth proportional to 53,980.07, 74,492.61 and 30,106.13 is: 41,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,980.07 : 74,492.61 = 30,106.13 : x
  2. Step 2: Convert to fraction form
    53,980.07/74,492.61 = 30,106.13/x
  3. Step 3: Cross multiply
    53,980.07x = 74,492.61 × 30,106.13
  4. Step 4: Simplify right side
    53,980.07x = 2,242,684,200.70
  5. Step 5: Solve for x
    x = 2,242,684,200.70/53,980.07
  6. Step 6: Final answer
    x = 41,546.52

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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.