Home / 86,040.46-118,779.02-53,793.01

Finding the Fourth Proportional to 86,040.46, 118,779.02 and 53,793.01

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Solution

The fourth proportional to 86,040.46, 118,779.02 and 53,793.01 is: 74,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,040.46 : 118,779.02 = 53,793.01 : x
  2. Step 2: Convert to fraction form
    86,040.46/118,779.02 = 53,793.01/x
  3. Step 3: Cross multiply
    86,040.46x = 118,779.02 × 53,793.01
  4. Step 4: Simplify right side
    86,040.46x = 6,389,481,010.65
  5. Step 5: Solve for x
    x = 6,389,481,010.65/86,040.46
  6. Step 6: Final answer
    x = 74,261.35

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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.