Home / 91,146.83-125,779.65-49,752.23

Finding the Fourth Proportional to 91,146.83, 125,779.65 and 49,752.23

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Solution

The fourth proportional to 91,146.83, 125,779.65 and 49,752.23 is: 68,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,146.83 : 125,779.65 = 49,752.23 : x
  2. Step 2: Convert to fraction form
    91,146.83/125,779.65 = 49,752.23/x
  3. Step 3: Cross multiply
    91,146.83x = 125,779.65 × 49,752.23
  4. Step 4: Simplify right side
    91,146.83x = 6,257,818,076.12
  5. Step 5: Solve for x
    x = 6,257,818,076.12/91,146.83
  6. Step 6: Final answer
    x = 68,656.45

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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.