Home / 91,528.02-126,320.58-51,257.16

Finding the Fourth Proportional to 91,528.02, 126,320.58 and 51,257.16

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Solution

The fourth proportional to 91,528.02, 126,320.58 and 51,257.16 is: 70,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,528.02 : 126,320.58 = 51,257.16 : x
  2. Step 2: Convert to fraction form
    91,528.02/126,320.58 = 51,257.16/x
  3. Step 3: Cross multiply
    91,528.02x = 126,320.58 × 51,257.16
  4. Step 4: Simplify right side
    91,528.02x = 6,474,834,180.35
  5. Step 5: Solve for x
    x = 6,474,834,180.35/91,528.02
  6. Step 6: Final answer
    x = 70,741.55

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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.