Home / 91,985.04-126,943.88-56,169.27

Finding the Fourth Proportional to 91,985.04, 126,943.88 and 56,169.27

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Solution

The fourth proportional to 91,985.04, 126,943.88 and 56,169.27 is: 77,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,985.04 : 126,943.88 = 56,169.27 : x
  2. Step 2: Convert to fraction form
    91,985.04/126,943.88 = 56,169.27/x
  3. Step 3: Cross multiply
    91,985.04x = 126,943.88 × 56,169.27
  4. Step 4: Simplify right side
    91,985.04x = 7,130,344,789.72
  5. Step 5: Solve for x
    x = 7,130,344,789.72/91,985.04
  6. Step 6: Final answer
    x = 77,516.35

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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.