Home / 94,039.77-129,774.86-53,754.40

Finding the Fourth Proportional to 94,039.77, 129,774.86 and 53,754.40

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Solution

The fourth proportional to 94,039.77, 129,774.86 and 53,754.40 is: 74,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,039.77 : 129,774.86 = 53,754.40 : x
  2. Step 2: Convert to fraction form
    94,039.77/129,774.86 = 53,754.40/x
  3. Step 3: Cross multiply
    94,039.77x = 129,774.86 × 53,754.40
  4. Step 4: Simplify right side
    94,039.77x = 6,975,969,085.51
  5. Step 5: Solve for x
    x = 6,975,969,085.51/94,039.77
  6. Step 6: Final answer
    x = 74,181.05

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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.