Home / 91,888.20-126,825.48-56,070.54

Finding the Fourth Proportional to 91,888.20, 126,825.48 and 56,070.54

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Solution

The fourth proportional to 91,888.20, 126,825.48 and 56,070.54 is: 77,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,888.20 : 126,825.48 = 56,070.54 : x
  2. Step 2: Convert to fraction form
    91,888.20/126,825.48 = 56,070.54/x
  3. Step 3: Cross multiply
    91,888.20x = 126,825.48 × 56,070.54
  4. Step 4: Simplify right side
    91,888.20x = 7,111,173,149.36
  5. Step 5: Solve for x
    x = 7,111,173,149.36/91,888.20
  6. Step 6: Final answer
    x = 77,389.41

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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.