Home / 91,567.22-126,365.55-51,280.88

Finding the Fourth Proportional to 91,567.22, 126,365.55 and 51,280.88

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Solution

The fourth proportional to 91,567.22, 126,365.55 and 51,280.88 is: 70,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,567.22 : 126,365.55 = 51,280.88 : x
  2. Step 2: Convert to fraction form
    91,567.22/126,365.55 = 51,280.88/x
  3. Step 3: Cross multiply
    91,567.22x = 126,365.55 × 51,280.88
  4. Step 4: Simplify right side
    91,567.22x = 6,480,136,605.68
  5. Step 5: Solve for x
    x = 6,480,136,605.68/91,567.22
  6. Step 6: Final answer
    x = 70,769.17

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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.