Home / 67,371.14-92,980.81-56,021.12

Finding the Fourth Proportional to 67,371.14, 92,980.81 and 56,021.12

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Solution

The fourth proportional to 67,371.14, 92,980.81 and 56,021.12 is: 77,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,371.14 : 92,980.81 = 56,021.12 : x
  2. Step 2: Convert to fraction form
    67,371.14/92,980.81 = 56,021.12/x
  3. Step 3: Cross multiply
    67,371.14x = 92,980.81 × 56,021.12
  4. Step 4: Simplify right side
    67,371.14x = 5,208,889,068.51
  5. Step 5: Solve for x
    x = 5,208,889,068.51/67,371.14
  6. Step 6: Final answer
    x = 77,316.32

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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.