Home / 91,530.93-126,312.72-51,244.77

Finding the Fourth Proportional to 91,530.93, 126,312.72 and 51,244.77

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Solution

The fourth proportional to 91,530.93, 126,312.72 and 51,244.77 is: 70,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,530.93 : 126,312.72 = 51,244.77 : x
  2. Step 2: Convert to fraction form
    91,530.93/126,312.72 = 51,244.77/x
  3. Step 3: Cross multiply
    91,530.93x = 126,312.72 × 51,244.77
  4. Step 4: Simplify right side
    91,530.93x = 6,472,866,284.47
  5. Step 5: Solve for x
    x = 6,472,866,284.47/91,530.93
  6. Step 6: Final answer
    x = 70,717.80

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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.