Home / 91,582.72-126,386.96-51,296.40

Finding the Fourth Proportional to 91,582.72, 126,386.96 and 51,296.40

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Solution

The fourth proportional to 91,582.72, 126,386.96 and 51,296.40 is: 70,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,582.72 : 126,386.96 = 51,296.40 : x
  2. Step 2: Convert to fraction form
    91,582.72/126,386.96 = 51,296.40/x
  3. Step 3: Cross multiply
    91,582.72x = 126,386.96 × 51,296.40
  4. Step 4: Simplify right side
    91,582.72x = 6,483,196,054.94
  5. Step 5: Solve for x
    x = 6,483,196,054.94/91,582.72
  6. Step 6: Final answer
    x = 70,790.60

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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.