Home / 91,975.07-126,926.72-56,160.11

Finding the Fourth Proportional to 91,975.07, 126,926.72 and 56,160.11

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Solution

The fourth proportional to 91,975.07, 126,926.72 and 56,160.11 is: 77,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,975.07 : 126,926.72 = 56,160.11 : x
  2. Step 2: Convert to fraction form
    91,975.07/126,926.72 = 56,160.11/x
  3. Step 3: Cross multiply
    91,975.07x = 126,926.72 × 56,160.11
  4. Step 4: Simplify right side
    91,975.07x = 7,128,218,557.14
  5. Step 5: Solve for x
    x = 7,128,218,557.14/91,975.07
  6. Step 6: Final answer
    x = 77,501.64

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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.