Home / 91,962.42-126,904.05-53,725.51

Finding the Fourth Proportional to 91,962.42, 126,904.05 and 53,725.51

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Solution

The fourth proportional to 91,962.42, 126,904.05 and 53,725.51 is: 74,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,962.42 : 126,904.05 = 53,725.51 : x
  2. Step 2: Convert to fraction form
    91,962.42/126,904.05 = 53,725.51/x
  3. Step 3: Cross multiply
    91,962.42x = 126,904.05 × 53,725.51
  4. Step 4: Simplify right side
    91,962.42x = 6,817,984,807.32
  5. Step 5: Solve for x
    x = 6,817,984,807.32/91,962.42
  6. Step 6: Final answer
    x = 74,138.81

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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.