Home / 91,973.07-126,923.96-56,158.11

Finding the Fourth Proportional to 91,973.07, 126,923.96 and 56,158.11

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Solution

The fourth proportional to 91,973.07, 126,923.96 and 56,158.11 is: 77,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,973.07 : 126,923.96 = 56,158.11 : x
  2. Step 2: Convert to fraction form
    91,973.07/126,923.96 = 56,158.11/x
  3. Step 3: Cross multiply
    91,973.07x = 126,923.96 × 56,158.11
  4. Step 4: Simplify right side
    91,973.07x = 7,127,809,847.71
  5. Step 5: Solve for x
    x = 7,127,809,847.71/91,973.07
  6. Step 6: Final answer
    x = 77,498.88

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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.