Home / 91,356.90-126,084.24-51,078.93

Finding the Fourth Proportional to 91,356.90, 126,084.24 and 51,078.93

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Solution

The fourth proportional to 91,356.90, 126,084.24 and 51,078.93 is: 70,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,356.90 : 126,084.24 = 51,078.93 : x
  2. Step 2: Convert to fraction form
    91,356.90/126,084.24 = 51,078.93/x
  3. Step 3: Cross multiply
    91,356.90x = 126,084.24 × 51,078.93
  4. Step 4: Simplify right side
    91,356.90x = 6,440,248,069.06
  5. Step 5: Solve for x
    x = 6,440,248,069.06/91,356.90
  6. Step 6: Final answer
    x = 70,495.48

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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.