Home / 91,281.28-125,966.74-50,995.60

Finding the Fourth Proportional to 91,281.28, 125,966.74 and 50,995.60

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Solution

The fourth proportional to 91,281.28, 125,966.74 and 50,995.60 is: 70,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,281.28 : 125,966.74 = 50,995.60 : x
  2. Step 2: Convert to fraction form
    91,281.28/125,966.74 = 50,995.60/x
  3. Step 3: Cross multiply
    91,281.28x = 125,966.74 × 50,995.60
  4. Step 4: Simplify right side
    91,281.28x = 6,423,749,486.34
  5. Step 5: Solve for x
    x = 6,423,749,486.34/91,281.28
  6. Step 6: Final answer
    x = 70,373.13

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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.