Home / 92,176.28-127,212.84-56,390.12

Finding the Fourth Proportional to 92,176.28, 127,212.84 and 56,390.12

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Solution

The fourth proportional to 92,176.28, 127,212.84 and 56,390.12 is: 77,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,176.28 : 127,212.84 = 56,390.12 : x
  2. Step 2: Convert to fraction form
    92,176.28/127,212.84 = 56,390.12/x
  3. Step 3: Cross multiply
    92,176.28x = 127,212.84 × 56,390.12
  4. Step 4: Simplify right side
    92,176.28x = 7,173,547,313.14
  5. Step 5: Solve for x
    x = 7,173,547,313.14/92,176.28
  6. Step 6: Final answer
    x = 77,824.22

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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.