Home / 91,857.35-126,776.99-56,068.16

Finding the Fourth Proportional to 91,857.35, 126,776.99 and 56,068.16

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Solution

The fourth proportional to 91,857.35, 126,776.99 and 56,068.16 is: 77,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,857.35 : 126,776.99 = 56,068.16 : x
  2. Step 2: Convert to fraction form
    91,857.35/126,776.99 = 56,068.16/x
  3. Step 3: Cross multiply
    91,857.35x = 126,776.99 × 56,068.16
  4. Step 4: Simplify right side
    91,857.35x = 7,108,152,559.64
  5. Step 5: Solve for x
    x = 7,108,152,559.64/91,857.35
  6. Step 6: Final answer
    x = 77,382.51

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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.