Home / 91,567.44-126,373.50-55,778.40

Finding the Fourth Proportional to 91,567.44, 126,373.50 and 55,778.40

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Solution

The fourth proportional to 91,567.44, 126,373.50 and 55,778.40 is: 76,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,567.44 : 126,373.50 = 55,778.40 : x
  2. Step 2: Convert to fraction form
    91,567.44/126,373.50 = 55,778.40/x
  3. Step 3: Cross multiply
    91,567.44x = 126,373.50 × 55,778.40
  4. Step 4: Simplify right side
    91,567.44x = 7,048,911,632.40
  5. Step 5: Solve for x
    x = 7,048,911,632.40/91,567.44
  6. Step 6: Final answer
    x = 76,980.55

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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.